#031B28

#031B28

Color Values

HEX

#031B28

RGB

3, 27, 40

HSL

201.1, 86.0%, 8.4%

HSV

201.1, 92.5%, 15.7%

CMYK

92.5%, 32.5%, 0.0%, 84.3%

OKLCH

0.2105 0.0399 235.2

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#031B28

#281003

Analogous

#032822

#030828

#031B28

Triadic

#031B28

#28031B

#1B2803

Split Complementary

#031B28

#280308

#282203

Tetradic

#031B28

#220328

#281003

#082803

Color Blindness Simulation

Original

#031B28

Protanopia

#0D0E25

Deuteranopia

#0C0A24

Tritanopia

#042222

Achromatopsia

#171717

CSS Usage

background-color: #031B28;
color: #031B28;
border-color: #031B28;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F2F9FD
100
#E0F1FA
200
#BDE4FA
300
#8DD1F6
400
#50B9F2
500
#12A0ED
600
#0E80BE
700
#0B6698
800
#095077
900
#0B3C56
950
#072636

Contrast Checker

Text on white

17.63:1

AA Pass AAA Pass

Text on black

1.19:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026