#181d31 Color Information

In a RGB color space, hex #181d31 is composed of 9.4% red, 11.4% green and 19.2% blue. Whereas in a CMYK color space, it is composed of 51% cyan, 40.8% magenta, 0% yellow and 80.8% black. It has a hue angle of 228 degrees, a saturation of 34.2% and a lightness of 14.3%. #181d31 color hex could be obtained by blending #303a62 with #000000. Closest websafe color is: #003333.

    • R 9
    • G 11
    • B 19
    RGB color chart
    • C 51
    • M 41
    • Y 0
    • K 81
    CMYK color chart

#181d31 color description : Very dark (mostly black) blue.

#181d31 Color Conversion

The hexadecimal color #181d31 has RGB values of R:24, G:29, B:49 and CMYK values of C:0.51, M:0.41, Y:0, K:0.81. Its decimal value is 1580337.

Hex triplet 181d31 #181d31
RGB Decimal 24, 29, 49 rgb(24,29,49)
RGB Percent 9.4, 11.4, 19.2 rgb(9.4%,11.4%,19.2%)
CMYK 51, 41, 0, 81
HSL 228°, 34.2, 14.3 hsl(228,34.2%,14.3%)
HSV (or HSB) 228°, 51, 19.2
Web Safe 003333 #003333
CIE-LAB 11.238, 4.288, -13.998
XYZ 1.37, 1.295, 3.083
xyY 0.238, 0.225, 1.295
CIE-LCH 11.238, 14.64, 287.031
CIE-LUV 11.238, -2.246, -11.754
Hunter-Lab 11.378, 1.586, -8.102
Binary 00011000, 00011101, 00110001

Color Schemes with #181d31

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

Alternatives to #181d31

Below, you can see some colors close to #181d31. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181d31 Preview

Text with hexadecimal color #181d31

This text has a font color of #181d31.

<span style="color:#181d31;">Text here</span>
#181d31 background color

This paragraph has a background color of #181d31.

<p style="background-color:#181d31;">Content here</p>
#181d31 border color

This element has a border color of #181d31.

<div style="border:1px solid #181d31;">Content here</div>
CSS codes
.text {color:#181d31;}
.background {background-color:#181d31;}
.border {border:1px solid #181d31;}

Shades and Tints of #181d31

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, #05060a is the darkest color, while #fbfcfd is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181d31

A tone is produced by adding gray to any pure hue. In this case, #232426 is the less saturated color, while #021047 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181d31 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.

  • #1e1e1e Achromatopsia 0.005% of the population
  • #1d1e22 Atypical Achromatopsia 0.001% of the population
  • #22293b Protanopia 1% of men
  • #21293b Deuteranopia 1% of men
  • #1f2b2e Tritanopia 0.001% of the population
  • #1e2437 Protanomaly 1% of men, 0.01% of women
  • #1d2437 Deuteranomaly 6% of men, 0.4% of women
  • #1c262f Tritanomaly 0.01% of the population