#231b1b Color Information

In a RGB color space, hex #231b1b is composed of 13.7% red, 10.6% green and 10.6% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 22.9% magenta, 22.9% yellow and 86.3% black. It has a hue angle of 0 degrees, a saturation of 12.9% and a lightness of 12.2%. #231b1b color hex could be obtained by blending #463636 with #000000. Closest websafe color is: #333333.

    • R 14
    • G 11
    • B 11
    RGB color chart
    • C 0
    • M 23
    • Y 23
    • K 86
    CMYK color chart

#231b1b color description : Very dark (mostly black) red.

#231b1b Color Conversion

The hexadecimal color #231b1b has RGB values of R:35, G:27, B:27 and CMYK values of C:0, M:0.23, Y:0.23, K:0.86. Its decimal value is 2300699.

Hex triplet 231b1b #231b1b
RGB Decimal 35, 27, 27 rgb(35,27,27)
RGB Percent 13.7, 10.6, 10.6 rgb(13.7%,10.6%,10.6%)
CMYK 0, 23, 23, 86
HSL 0°, 12.9, 12.2 hsl(0,12.9%,12.2%)
HSV (or HSB) 0°, 22.9, 13.7
Web Safe 333333 #333333
CIE-LAB 10.707, 3.932, 1.479
XYZ 1.283, 1.22, 1.205
xyY 0.346, 0.329, 1.22
CIE-LCH 10.707, 4.201, 20.607
CIE-LUV 10.707, 3.246, 0.699
Hunter-Lab 11.047, 1.397, 1.266
Binary 00100011, 00011011, 00011011

Color Schemes with #231b1b

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

Alternatives to #231b1b

Below, you can see some colors close to #231b1b. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#231b1b Preview

Text with hexadecimal color #231b1b

This text has a font color of #231b1b.

<span style="color:#231b1b;">Text here</span>
#231b1b background color

This paragraph has a background color of #231b1b.

<p style="background-color:#231b1b;">Content here</p>
#231b1b border color

This element has a border color of #231b1b.

<div style="border:1px solid #231b1b;">Content here</div>
CSS codes
.text {color:#231b1b;}
.background {background-color:#231b1b;}
.border {border:1px solid #231b1b;}

Shades and Tints of #231b1b

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, #020101 is the darkest color, while #f8f6f6 is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #231b1b

A tone is produced by adding gray to any pure hue. In this case, #211d1d is the less saturated color, while #3d0101 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #231b1b 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.

  • #1d1d1d Achromatopsia 0.005% of the population
  • #1e1d1d Atypical Achromatopsia 0.001% of the population
  • #292827 Protanopia 1% of men
  • #2d2726 Deuteranopia 1% of men
  • #2e2629 Tritanopia 0.001% of the population
  • #272323 Protanomaly 1% of men, 0.01% of women
  • #292222 Deuteranomaly 6% of men, 0.4% of women
  • #2a2224 Tritanomaly 0.01% of the population