#181f21 Color Information

In a RGB color space, hex #181f21 is composed of 9.4% red, 12.2% green and 12.9% blue. Whereas in a CMYK color space, it is composed of 27.3% cyan, 6.1% magenta, 0% yellow and 87.1% black. It has a hue angle of 193.3 degrees, a saturation of 15.8% and a lightness of 11.2%. #181f21 color hex could be obtained by blending #303e42 with #000000. Closest websafe color is: #003333.

    • R 9
    • G 12
    • B 13
    RGB color chart
    • C 27
    • M 6
    • Y 0
    • K 87
    CMYK color chart

#181f21 color description : Very dark (mostly black) cyan.

#181f21 Color Conversion

The hexadecimal color #181f21 has RGB values of R:24, G:31, B:33 and CMYK values of C:0.27, M:0.06, Y:0, K:0.87. Its decimal value is 1580833.

Hex triplet 181f21 #181f21
RGB Decimal 24, 31, 33 rgb(24,31,33)
RGB Percent 9.4, 12.2, 12.9 rgb(9.4%,12.2%,12.9%)
CMYK 27, 6, 0, 87
HSL 193.3°, 15.8, 11.2 hsl(193.3,15.8%,11.2%)
HSV (or HSB) 193.3°, 27.3, 12.9
Web Safe 003333 #003333
CIE-LAB 11.163, -2.59, -2.424
XYZ 1.141, 1.284, 1.626
xyY 0.282, 0.317, 1.284
CIE-LCH 11.163, 3.547, 223.096
CIE-LUV 11.163, -2.507, -1.63
Hunter-Lab 11.331, -1.853, -0.579
Binary 00011000, 00011111, 00100001

Color Schemes with #181f21

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

Alternatives to #181f21

Below, you can see some colors close to #181f21. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181f21 Preview

Text with hexadecimal color #181f21

This text has a font color of #181f21.

<span style="color:#181f21;">Text here</span>
#181f21 background color

This paragraph has a background color of #181f21.

<p style="background-color:#181f21;">Content here</p>
#181f21 border color

This element has a border color of #181f21.

<div style="border:1px solid #181f21;">Content here</div>
CSS codes
.text {color:#181f21;}
.background {background-color:#181f21;}
.border {border:1px solid #181f21;}

Shades and Tints of #181f21

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, #070a0a is the darkest color, while #fefefe is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181f21

A tone is produced by adding gray to any pure hue. In this case, #1c1d1d is the less saturated color, while #022b37 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181f21 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
  • #1c1d1e Atypical Achromatopsia 0.001% of the population
  • #29292b Protanopia 1% of men
  • #2b282d Deuteranopia 1% of men
  • #242a2d Tritanopia 0.001% of the population
  • #232527 Protanomaly 1% of men, 0.01% of women
  • #242528 Deuteranomaly 6% of men, 0.4% of women
  • #1f2629 Tritanomaly 0.01% of the population