#b31b1b Color Information

In a RGB color space, hex #b31b1b (also known as Carnelian, Cornell Red) is composed of 70.2% red, 10.6% green and 10.6% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 84.9% magenta, 84.9% yellow and 29.8% black. It has a hue angle of 0 degrees, a saturation of 73.8% and a lightness of 40.4%. #b31b1b color hex could be obtained by blending #ff3636 with #670000. Closest websafe color is: #cc3333.

    • R 70
    • G 11
    • B 11
    RGB color chart
    • C 0
    • M 85
    • Y 85
    • K 30
    CMYK color chart

#b31b1b color description : Strong red.

#b31b1b Color Conversion

The hexadecimal color #b31b1b has RGB values of R:179, G:27, B:27 and CMYK values of C:0, M:0.85, Y:0.85, K:0.3. Its decimal value is 11737883.

Hex triplet b31b1b #b31b1b
RGB Decimal 179, 27, 27 rgb(179,27,27)
RGB Percent 70.2, 10.6, 10.6 rgb(70.2%,10.6%,10.6%)
CMYK 0, 85, 85, 30
HSL 0°, 73.8, 40.4 hsl(0,73.8%,40.4%)
HSV (or HSB) 0°, 84.9, 70.2
Web Safe cc3333 #cc3333
CIE-LAB 38.637, 57.777, 41.049
XYZ 19.181, 10.449, 2.044
xyY 0.606, 0.33, 10.449
CIE-LCH 38.637, 70.874, 35.393
CIE-LUV 38.637, 112.314, 24.229
Hunter-Lab 32.325, 49.35, 18.879
Binary 10110011, 00011011, 00011011

Color Schemes with #b31b1b

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

Alternatives to #b31b1b

Below, you can see some colors close to #b31b1b. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#b31b1b Preview

Text with hexadecimal color #b31b1b

This text has a font color of #b31b1b.

<span style="color:#b31b1b;">Text here</span>
#b31b1b background color

This paragraph has a background color of #b31b1b.

<p style="background-color:#b31b1b;">Content here</p>
#b31b1b border color

This element has a border color of #b31b1b.

<div style="border:1px solid #b31b1b;">Content here</div>
CSS codes
.text {color:#b31b1b;}
.background {background-color:#b31b1b;}
.border {border:1px solid #b31b1b;}

Shades and Tints of #b31b1b

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, #090101 is the darkest color, while #fef7f7 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #b31b1b

A tone is produced by adding gray to any pure hue. In this case, #6c6262 is the less saturated color, while #cb0303 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #b31b1b 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.

  • #484848 Achromatopsia 0.005% of the population
  • #5d3f3f Atypical Achromatopsia 0.001% of the population
  • #6d6335 Protanopia 1% of men
  • #7c5e16 Deuteranopia 1% of men
  • #b62626 Tritanopia 0.001% of the population
  • #86492b Protanomaly 1% of men, 0.01% of women
  • #904618 Deuteranomaly 6% of men, 0.4% of women
  • #b52222 Tritanomaly 0.01% of the population