#181b31 Color Information

In a RGB color space, hex #181b31 is composed of 9.4% red, 10.6% green and 19.2% blue. Whereas in a CMYK color space, it is composed of 51% cyan, 44.9% magenta, 0% yellow and 80.8% black. It has a hue angle of 232.8 degrees, a saturation of 34.2% and a lightness of 14.3%. #181b31 color hex could be obtained by blending #303662 with #000000. Closest websafe color is: #003333.

    • R 9
    • G 11
    • B 19
    RGB color chart
    • C 51
    • M 45
    • Y 0
    • K 81
    CMYK color chart

#181b31 color description : Very dark (mostly black) blue.

#181b31 Color Conversion

The hexadecimal color #181b31 has RGB values of R:24, G:27, B:49 and CMYK values of C:0.51, M:0.45, Y:0, K:0.81. Its decimal value is 1579825.

Hex triplet 181b31 #181b31
RGB Decimal 24, 27, 49 rgb(24,27,49)
RGB Percent 9.4, 10.6, 19.2 rgb(9.4%,10.6%,19.2%)
CMYK 51, 45, 0, 81
HSL 232.8°, 34.2, 14.3 hsl(232.8,34.2%,14.3%)
HSV (or HSB) 232.8°, 51, 19.2
Web Safe 003333 #003333
CIE-LAB 10.556, 5.808, -15.07
XYZ 1.323, 1.2, 3.067
xyY 0.237, 0.215, 1.2
CIE-LCH 10.556, 16.151, 291.077
CIE-LUV 10.556, -1.69, -12.316
Hunter-Lab 10.953, 2.39, -8.936
Binary 00011000, 00011011, 00110001

Color Schemes with #181b31

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

Alternatives to #181b31

Below, you can see some colors close to #181b31. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181b31 Preview

Text with hexadecimal color #181b31

This text has a font color of #181b31.

<span style="color:#181b31;">Text here</span>
#181b31 background color

This paragraph has a background color of #181b31.

<p style="background-color:#181b31;">Content here</p>
#181b31 border color

This element has a border color of #181b31.

<div style="border:1px solid #181b31;">Content here</div>
CSS codes
.text {color:#181b31;}
.background {background-color:#181b31;}
.border {border:1px solid #181b31;}

Shades and Tints of #181b31

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, #05050a is the darkest color, while #fbfcfd is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181b31

A tone is produced by adding gray to any pure hue. In this case, #232426 is the less saturated color, while #020a47 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181b31 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
  • #1c1d21 Atypical Achromatopsia 0.001% of the population
  • #20273c Protanopia 1% of men
  • #1e283b Deuteranopia 1% of men
  • #1f2a2d Tritanopia 0.001% of the population
  • #1d2338 Protanomaly 1% of men, 0.01% of women
  • #1c2337 Deuteranomaly 6% of men, 0.4% of women
  • #1c242e Tritanomaly 0.01% of the population