#31233F

#31233F

Color Values

HEX

#31233F

RGB

49, 35, 63

HSL

270.0, 28.6%, 19.2%

HSV

270.0, 44.4%, 24.7%

CMYK

22.2%, 44.4%, 0.0%, 75.3%

OKLCH

0.2862 0.0529 306.3

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#31233F

#313F23

Analogous

#23233F

#3F233F

#31233F

Triadic

#31233F

#3F3123

#233F31

Split Complementary

#31233F

#3F3F23

#233F23

Tetradic

#31233F

#3F2323

#313F23

#233F3F

Color Blindness Simulation

Original

#31233F

Protanopia

#2B2B38

Deuteranopia

#2C2D37

Tritanopia

#303332

Achromatopsia

#282828

CSS Usage

background-color: #31233F;
color: #31233F;
border-color: #31233F;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F7F5F9
100
#EDE9F1
200
#DBD1E6
300
#C2B0D3
400
#A186BC
500
#805BA4
600
#664983
700
#523A69
800
#402E52
900
#30243D
950
#1F1726

Contrast Checker

Text on white

14.56:1

AA Pass AAA Pass

Text on black

1.44:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026