#181b40 Color Information

In a RGB color space, hex #181b40 is composed of 9.4% red, 10.6% green and 25.1% blue. Whereas in a CMYK color space, it is composed of 62.5% cyan, 57.8% magenta, 0% yellow and 74.9% black. It has a hue angle of 235.5 degrees, a saturation of 45.5% and a lightness of 17.3%. #181b40 color hex could be obtained by blending #303680 with #000000. Closest websafe color is: #003333.

    • R 9
    • G 11
    • B 25
    RGB color chart
    • C 63
    • M 58
    • Y 0
    • K 75
    CMYK color chart

#181b40 color description : Very dark blue.

#181b40 Color Conversion

The hexadecimal color #181b40 has RGB values of R:24, G:27, B:64 and CMYK values of C:0.63, M:0.58, Y:0, K:0.75. Its decimal value is 1579840.

Hex triplet 181b40 #181b40
RGB Decimal 24, 27, 64 rgb(24,27,64)
RGB Percent 9.4, 10.6, 25.1 rgb(9.4%,10.6%,25.1%)
CMYK 63, 58, 0, 75
HSL 235.5°, 45.5, 17.3 hsl(235.5,45.5%,17.3%)
HSV (or HSB) 235.5°, 62.5, 25.1
Web Safe 003333 #003333
CIE-LAB 11.608, 11.601, -24.12
XYZ 1.694, 1.348, 5.021
xyY 0.21, 0.167, 1.348
CIE-LCH 11.608, 26.765, 295.686
CIE-LUV 11.608, -2.206, -21.161
Hunter-Lab 11.611, 5.721, -17.512
Binary 00011000, 00011011, 01000000

Color Schemes with #181b40

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

Alternatives to #181b40

Below, you can see some colors close to #181b40. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#181b40 Preview

Text with hexadecimal color #181b40

This text has a font color of #181b40.

<span style="color:#181b40;">Text here</span>
#181b40 background color

This paragraph has a background color of #181b40.

<p style="background-color:#181b40;">Content here</p>
#181b40 border color

This element has a border color of #181b40.

<div style="border:1px solid #181b40;">Content here</div>
CSS codes
.text {color:#181b40;}
.background {background-color:#181b40;}
.border {border:1px solid #181b40;}

Shades and Tints of #181b40

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, #030307 is the darkest color, while #f8f8fc is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #181b40

A tone is produced by adding gray to any pure hue. In this case, #29292f is the less saturated color, while #000758 is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #181b40 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
  • #1d1d25 Atypical Achromatopsia 0.001% of the population
  • #14294c Protanopia 1% of men
  • #002b47 Deuteranopia 1% of men
  • #172d30 Tritanopia 0.001% of the population
  • #152447 Protanomaly 1% of men, 0.01% of women
  • #082545 Deuteranomaly 6% of men, 0.4% of women
  • #172636 Tritanomaly 0.01% of the population