#181e21 Color Information

In a RGB color space, hex #181e21 is composed of 9.4% red, 11.8% green and 12.9% blue. Whereas in a CMYK color space, it is composed of 27.3% cyan, 9.1% magenta, 0% yellow and 87.1% black. It has a hue angle of 200 degrees, a saturation of 15.8% and a lightness of 11.2%. #181e21 color hex could be obtained by blending #303c42 with #000000. Closest websafe color is: #003333.

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

#181e21 color description : Very dark (mostly black) blue.

#181e21 Color Conversion

The hexadecimal color #181e21 has RGB values of R:24, G:30, B:33 and CMYK values of C:0.27, M:0.09, Y:0, K:0.87. Its decimal value is 1580577.

Hex triplet 181e21 #181e21
RGB Decimal 24, 30, 33 rgb(24,30,33)
RGB Percent 9.4, 11.8, 12.9 rgb(9.4%,11.8%,12.9%)
CMYK 27, 9, 0, 87
HSL 200°, 15.8, 11.2 hsl(200,15.8%,11.2%)
HSV (or HSB) 200°, 27.3, 12.9
Web Safe 003333 #003333
CIE-LAB 10.795, -1.872, -2.971
XYZ 1.115, 1.233, 1.618
xyY 0.281, 0.311, 1.233
CIE-LCH 10.795, 3.512, 237.778
CIE-LUV 10.795, -2.163, -2.074
Hunter-Lab 11.102, -1.494, -0.869
Binary 00011000, 00011110, 00100001

Color Schemes with #181e21

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

Alternatives to #181e21

Below, you can see some colors close to #181e21. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181e21 Preview

Text with hexadecimal color #181e21

This text has a font color of #181e21.

<span style="color:#181e21;">Text here</span>
#181e21 background color

This paragraph has a background color of #181e21.

<p style="background-color:#181e21;">Content here</p>
#181e21 border color

This element has a border color of #181e21.

<div style="border:1px solid #181e21;">Content here</div>
CSS codes
.text {color:#181e21;}
.background {background-color:#181e21;}
.border {border:1px solid #181e21;}

Shades and Tints of #181e21

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, #07090a is the darkest color, while #fefefe is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181e21

A tone is produced by adding gray to any pure hue. In this case, #1c1d1d is the less saturated color, while #022537 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181e21 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
  • #28282b Protanopia 1% of men
  • #2a272d Deuteranopia 1% of men
  • #24292c Tritanopia 0.001% of the population
  • #222427 Protanomaly 1% of men, 0.01% of women
  • #232428 Deuteranomaly 6% of men, 0.4% of women
  • #1f2528 Tritanomaly 0.01% of the population