#21303b Color Information

In a RGB color space, hex #21303b is composed of 12.9% red, 18.8% green and 23.1% blue. Whereas in a CMYK color space, it is composed of 44.1% cyan, 18.6% magenta, 0% yellow and 76.9% black. It has a hue angle of 205.4 degrees, a saturation of 28.3% and a lightness of 18%. #21303b color hex could be obtained by blending #426076 with #000000. Closest websafe color is: #333333.

    • R 13
    • G 19
    • B 23
    RGB color chart
    • C 44
    • M 19
    • Y 0
    • K 77
    CMYK color chart

#21303b color description : Very dark desaturated blue.

#21303b Color Conversion

The hexadecimal color #21303b has RGB values of R:33, G:48, B:59 and CMYK values of C:0.44, M:0.19, Y:0, K:0.77. Its decimal value is 2175035.

Hex triplet 21303b #21303b
RGB Decimal 33, 48, 59 rgb(33,48,59)
RGB Percent 12.9, 18.8, 23.1 rgb(12.9%,18.8%,23.1%)
CMYK 44, 19, 0, 77
HSL 205.4°, 28.3, 18 hsl(205.4,28.3%,18%)
HSV (or HSB) 205.4°, 44.1, 23.1
Web Safe 333333 #333333
CIE-LAB 19.026, -2.805, -8.955
XYZ 2.473, 2.753, 4.538
xyY 0.253, 0.282, 2.753
CIE-LCH 19.026, 9.384, 252.606
CIE-LUV 19.026, -6.289, -9.043
Hunter-Lab 16.592, -2.426, -4.604
Binary 00100001, 00110000, 00111011

Color Schemes with #21303b

Complementary Color
Analogous Color
Split Complementary Color
Triadic Color
Tetradic Color
Monochromatic Color

Alternatives to #21303b

Below, you can see some colors close to #21303b. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#21303b Preview

Text with hexadecimal color #21303b

This text has a font color of #21303b.

<span style="color:#21303b;">Text here</span>
#21303b background color

This paragraph has a background color of #21303b.

<p style="background-color:#21303b;">Content here</p>
#21303b border color

This element has a border color of #21303b.

<div style="border:1px solid #21303b;">Content here</div>
CSS codes
.text {color:#21303b;}
.background {background-color:#21303b;}
.border {border:1px solid #21303b;}

Shades and Tints of #21303b

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, #050709 is the darkest color, while #fbfcfd is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #21303b

A tone is produced by adding gray to any pure hue. In this case, #2c2e30 is the less saturated color, while #01355b is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #21303b 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.

  • #2d2d2d Achromatopsia 0.005% of the population
  • #2b2e30 Atypical Achromatopsia 0.001% of the population
  • #363843 Protanopia 1% of men
  • #373846 Deuteranopia 1% of men
  • #2a3b40 Tritanopia 0.001% of the population
  • #2e3540 Protanomaly 1% of men, 0.01% of women
  • #2f3542 Deuteranomaly 6% of men, 0.4% of women
  • #27373e Tritanomaly 0.01% of the population