#660000 hex color (#600)

In a RGB color space, hex #660000 is composed of 40% red, 0% green and 0% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 100% magenta, 100% yellow and 60% black. It has a hue angle of 0 degrees, a saturation of 100% and a lightness of 20%. #660000 color hex could be obtained by blending #cc0000 with #000000. #660000 (or #600) is a websafe color.

♥
- f
- t
- g
- R 40
- G 0
- B 0
RGB color chart
- C 0
- M 100
- Y 100
- K 60
CMYK color chart

● #660000 color description : Very dark red.

The hexadecimal color #660000 has RGB values of R:102, G:0, B:0 and CMYK values of C:0, M:1, Y:1, K:0.6. Its decimal value is 6684672.

Hex triplet	660000	`#660000`
RGB Decimal	102, 0, 0	`rgb(102,0,0)`
RGB Percent	40, 0, 0	`rgb(40%,0%,0%)`
CMYK	0, 100, 100, 60
HSL	0°, 100, 20	`hsl(0,100%,20%)`
HSV (or HSB)	0°, 100, 40
Web Safe	660000	`#660000`

CIE-LAB	19.331, 40.868, 29.655
XYZ	5.48, 2.826, 0.257
xyY	0.64, 0.33, 2.826
CIE-LCH	19.331, 50.494, 35.966
CIE-LUV	19.331, 63.546, 13.709
Hunter-Lab	16.809, 28.774, 10.86
Binary	01100110, 00000000, 00000000

#660000
```
#660000 rgb(102,0,0)
```
#006666
```
#006666 rgb(0,102,102)
```

Complementary Color

#660033
```
#660033 rgb(102,0,51)
```
#660000
```
#660000 rgb(102,0,0)
```
#663300
```
#663300 rgb(102,51,0)
```

Analogous Color

#003366
```
#003366 rgb(0,51,102)
```
#660000
```
#660000 rgb(102,0,0)
```
#006633
```
#006633 rgb(0,102,51)
```

Split Complementary Color

#000066
```
#000066 rgb(0,0,102)
```
#660000
```
#660000 rgb(102,0,0)
```
#006600
```
#006600 rgb(0,102,0)
```

Triadic Color

#660066
```
#660066 rgb(102,0,102)
```
#660000
```
#660000 rgb(102,0,0)
```
#006600
```
#006600 rgb(0,102,0)
```
#006666
```
#006666 rgb(0,102,102)
```

Tetradic Color

#1a0000
```
#1a0000 rgb(26,0,0)
```
#330000
```
#330000 rgb(51,0,0)
```
#4d0000
```
#4d0000 rgb(77,0,0)
```
#660000
```
#660000 rgb(102,0,0)
```
#800000
```
#800000 rgb(128,0,0)
```
#990000
```
#990000 rgb(153,0,0)
```
#b30000
```
#b30000 rgb(179,0,0)
```

Monochromatic Color

Below, you can see some colors close to #660000. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

#66001a
```
#66001a rgb(102,0,26)
```
#660011
```
#660011 rgb(102,0,17)
```
#660008
```
#660008 rgb(102,0,8)
```
#660000
```
#660000 rgb(102,0,0)
```
#660900
```
#660900 rgb(102,9,0)
```
#661100
```
#661100 rgb(102,17,0)
```
#661a00
```
#661a00 rgb(102,26,0)
```

Similar Colors

Text with hexadecimal color #660000

This text has a font color of #660000.

<span style="color:#660000;">Text here</span>

#660000 background color

This paragraph has a background color of #660000.

<p style="background-color:#660000;">Content here</p>

#660000 border color

This element has a border color of #660000.

<div style="border:1px solid #660000;">Content here</div>

CSS codes

.text {color:#660000;}

.background {background-color:#660000;}

.border {border:1px solid #660000;}

A shade is achieved by adding black to any pure hue, while a tint is created by mixing white to any pure color. In this example, #040000 is the darkest color, while #ffefef is the lightest one.

#040000
```
#040000 rgb(4,0,0)
```
#180000
```
#180000 rgb(24,0,0)
```
#2b0000
```
#2b0000 rgb(43,0,0)
```
#3f0000
```
#3f0000 rgb(63,0,0)
```
#520000
```
#520000 rgb(82,0,0)
```
#660000
```
#660000 rgb(102,0,0)
```
#7a0000
```
#7a0000 rgb(122,0,0)
```
#8d0000
```
#8d0000 rgb(141,0,0)
```
#a10000
```
#a10000 rgb(161,0,0)
```
#b40000
```
#b40000 rgb(180,0,0)
```
#c80000
```
#c80000 rgb(200,0,0)
```
#dc0000
```
#dc0000 rgb(220,0,0)
```
#ef0000
```
#ef0000 rgb(239,0,0)
```

Shade Color Variation

#ff0404
```
#ff0404 rgb(255,4,4)
```
#ff1818
```
#ff1818 rgb(255,24,24)
```
#ff2b2b
```
#ff2b2b rgb(255,43,43)
```
#ff3f3f
```
#ff3f3f rgb(255,63,63)
```
#ff5252
```
#ff5252 rgb(255,82,82)
```
#ff6666
```
#ff6666 rgb(255,102,102)
```
#ff7a7a
```
#ff7a7a rgb(255,122,122)
```
#ff8d8d
```
#ff8d8d rgb(255,141,141)
```
#ffa1a1
```
#ffa1a1 rgb(255,161,161)
```
#ffb4b4
```
#ffb4b4 rgb(255,180,180)
```
#ffc8c8
```
#ffc8c8 rgb(255,200,200)
```
#ffdcdc
```
#ffdcdc rgb(255,220,220)
```
#ffefef
```
#ffefef rgb(255,239,239)
```

Tint Color Variation

A tone is produced by adding gray to any pure hue. In this case, #372f2f is the less saturated color, while #660000 is the most saturated one.

#372f2f
```
#372f2f rgb(55,47,47)
```
#3b2b2b
```
#3b2b2b rgb(59,43,43)
```
#3f2727
```
#3f2727 rgb(63,39,39)
```
#432323
```
#432323 rgb(67,35,35)
```
#471f1f
```
#471f1f rgb(71,31,31)
```
#4b1b1b
```
#4b1b1b rgb(75,27,27)
```
#4e1818
```
#4e1818 rgb(78,24,24)
```
#521414
```
#521414 rgb(82,20,20)
```
#561010
```
#561010 rgb(86,16,16)
```
#5a0c0c
```
#5a0c0c rgb(90,12,12)
```
#5e0808
```
#5e0808 rgb(94,8,8)
```
#620404
```
#620404 rgb(98,4,4)
```
#660000
```
#660000 rgb(102,0,0)
```

Tone Color Variation

Below, you can see how #660000 is perceived by people affected by a color vision deficiency. This can be useful if you need to ensure your color combinations are accessible to color-blind users.

Monochromacy

#1e1e1e Achromatopsia 0.005% of the population
#2c1818 Atypical Achromatopsia 0.001% of the population

Dichromacy

#40390f Protanopia 1% of men
#473700 Deuteranopia 1% of men
#6d0c00 Tritanopia 0.001% of the population

Trichromacy

#4e2409 Protanomaly 1% of men, 0.01% of women
#522300 Deuteranomaly 6% of men, 0.4% of women
#6a0700 Tritanomaly 0.01% of the population

#660000 hex color

#660000 Color Information

#660000 Color Conversion

Color Schemes with #660000

Alternatives to #660000

#660000 Preview

Shades and Tints of #660000

Tones of #660000

Color Blindness Simulator