#1b3771 Color Information

In a RGB color space, hex #1b3771 is composed of 10.6% red, 21.6% green and 44.3% blue. Whereas in a CMYK color space, it is composed of 76.1% cyan, 51.3% magenta, 0% yellow and 55.7% black. It has a hue angle of 220.5 degrees, a saturation of 61.4% and a lightness of 27.5%. #1b3771 color hex could be obtained by blending #366ee2 with #000000. Closest websafe color is: #333366.

    • R 11
    • G 22
    • B 44
    RGB color chart
    • C 76
    • M 51
    • Y 0
    • K 56
    CMYK color chart

#1b3771 color description : Very dark blue.

#1b3771 Color Conversion

The hexadecimal color #1b3771 has RGB values of R:27, G:55, B:113 and CMYK values of C:0.76, M:0.51, Y:0, K:0.56. Its decimal value is 1783665.

Hex triplet 1b3771 #1b3771
RGB Decimal 27, 55, 113 rgb(27,55,113)
RGB Percent 10.6, 21.6, 44.3 rgb(10.6%,21.6%,44.3%)
CMYK 76, 51, 0, 56
HSL 220.5°, 61.4, 27.5 hsl(220.5,61.4%,27.5%)
HSV (or HSB) 220.5°, 76.1, 44.3
Web Safe 333366 #333366
CIE-LAB 24.185, 11.581, -36.631
XYZ 4.798, 4.157, 16.171
xyY 0.191, 0.165, 4.157
CIE-LCH 24.185, 38.419, 287.545
CIE-LUV 24.185, -10.035, -45.548
Hunter-Lab 20.389, 6.324, -32.752
Binary 00011011, 00110111, 01110001

Color Schemes with #1b3771

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

Alternatives to #1b3771

Below, you can see some colors close to #1b3771. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#1b3771 Preview

Text with hexadecimal color #1b3771

This text has a font color of #1b3771.

<span style="color:#1b3771;">Text here</span>
#1b3771 background color

This paragraph has a background color of #1b3771.

<p style="background-color:#1b3771;">Content here</p>
#1b3771 border color

This element has a border color of #1b3771.

<div style="border:1px solid #1b3771;">Content here</div>
CSS codes
.text {color:#1b3771;}
.background {background-color:#1b3771;}
.border {border:1px solid #1b3771;}

Shades and Tints of #1b3771

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, #010102 is the darkest color, while #f1f5fc is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #1b3771

A tone is produced by adding gray to any pure hue. In this case, #41444b is the less saturated color, while #002e8c is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #1b3771 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.

  • #353535 Achromatopsia 0.005% of the population
  • #303541 Atypical Achromatopsia 0.001% of the population
  • #214178 Protanopia 1% of men
  • #004572 Deuteranopia 1% of men
  • #004a4f Tritanopia 0.001% of the population
  • #1f3d76 Protanomaly 1% of men, 0.01% of women
  • #093f71 Deuteranomaly 6% of men, 0.4% of women
  • #09435b Tritanomaly 0.01% of the population