#331F3F

#331F3F

Color Values

HEX

#331F3F

RGB

51, 31, 63

HSL

277.5, 34.0%, 18.4%

HSV

277.5, 50.8%, 24.7%

CMYK

19.0%, 50.8%, 0.0%, 75.3%

OKLCH

0.2802 0.0622 311.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#331F3F

#2B3F1F

Analogous

#231F3F

#3F1F3B

#331F3F

Triadic

#331F3F

#3F331F

#1F3F33

Split Complementary

#331F3F

#3B3F1F

#1F3F23

Tetradic

#331F3F

#3F231F

#2B3F1F

#1F3B3F

Color Blindness Simulation

Original

#331F3F

Protanopia

#2A2A37

Deuteranopia

#2C2D35

Tritanopia

#323130

Achromatopsia

#262626

CSS Usage

background-color: #331F3F;
color: #331F3F;
border-color: #331F3F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EEE8F2
200
#DECFE7
300
#C7ADD7
400
#A981C1
500
#8A54AB
600
#6F4389
700
#59366D
800
#452A55
900
#34223F
950
#211528

Contrast Checker

Text on white

14.91:1

AA Pass AAA Pass

Text on black

1.41:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2월 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2월 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2월 19, 2026