#181a21 Color Information

In a RGB color space, hex #181a21 is composed of 9.4% red, 10.2% green and 12.9% blue. Whereas in a CMYK color space, it is composed of 27.3% cyan, 21.2% magenta, 0% yellow and 87.1% black. It has a hue angle of 226.7 degrees, a saturation of 15.8% and a lightness of 11.2%. #181a21 color hex could be obtained by blending #303442 with #000000. Closest websafe color is: #003333.

    • R 9
    • G 10
    • B 13
    RGB color chart
    • C 27
    • M 21
    • Y 0
    • K 87
    CMYK color chart

#181a21 color description : Very dark (mostly black) blue.

#181a21 Color Conversion

The hexadecimal color #181a21 has RGB values of R:24, G:26, B:33 and CMYK values of C:0.27, M:0.21, Y:0, K:0.87. Its decimal value is 1579553.

Hex triplet 181a21 #181a21
RGB Decimal 24, 26, 33 rgb(24,26,33)
RGB Percent 9.4, 10.2, 12.9 rgb(9.4%,10.2%,12.9%)
CMYK 27, 21, 0, 87
HSL 226.7°, 15.8, 11.2 hsl(226.7,15.8%,11.2%)
HSV (or HSB) 226.7°, 27.3, 12.9
Web Safe 003333 #003333
CIE-LAB 9.343, 1.07, -5.152
XYZ 1.021, 1.043, 1.586
xyY 0.28, 0.286, 1.043
CIE-LCH 9.343, 5.262, 281.736
CIE-LUV 9.343, -0.883, -3.67
Hunter-Lab 10.212, -0.031, -2.062
Binary 00011000, 00011010, 00100001

Color Schemes with #181a21

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

Alternatives to #181a21

Below, you can see some colors close to #181a21. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181a21 Preview

Text with hexadecimal color #181a21

This text has a font color of #181a21.

<span style="color:#181a21;">Text here</span>
#181a21 background color

This paragraph has a background color of #181a21.

<p style="background-color:#181a21;">Content here</p>
#181a21 border color

This element has a border color of #181a21.

<div style="border:1px solid #181a21;">Content here</div>
CSS codes
.text {color:#181a21;}
.background {background-color:#181a21;}
.border {border:1px solid #181a21;}

Shades and Tints of #181a21

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, #07080a is the darkest color, while #fefefe is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181a21

A tone is produced by adding gray to any pure hue. In this case, #1c1c1d is the less saturated color, while #020e37 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181a21 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.

  • #1a1a1a Achromatopsia 0.005% of the population
  • #1a1a1b Atypical Achromatopsia 0.001% of the population
  • #24252c Protanopia 1% of men
  • #26252c Deuteranopia 1% of men
  • #232629 Tritanopia 0.001% of the population
  • #202128 Protanomaly 1% of men, 0.01% of women
  • #212128 Deuteranomaly 6% of men, 0.4% of women
  • #1f2126 Tritanomaly 0.01% of the population