#331D44

#331D44

Color Values

HEX

#331D44

RGB

51, 29, 68

HSL

273.8, 40.2%, 19.0%

HSV

273.8, 57.4%, 26.7%

CMYK

25.0%, 57.4%, 0.0%, 73.3%

OKLCH

0.2796 0.0734 308.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#331D44

#2E441D

Analogous

#1F1D44

#441D41

#331D44

Triadic

#331D44

#44331D

#1D4433

Split Complementary

#331D44

#41441D

#1D441F

Tetradic

#331D44

#441F1D

#2E441D

#1D4144

Color Blindness Simulation

Original

#331D44

Protanopia

#29293B

Deuteranopia

#2B2C38

Tritanopia

#323331

Achromatopsia

#242424

CSS Usage

background-color: #331D44;
color: #331D44;
border-color: #331D44;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F5FA
100
#EEE7F3
200
#DDCDEA
300
#C5A9DA
400
#A57BC7
500
#864CB3
600
#6B3D8F
700
#563172
800
#432659
900
#331F42
950
#20142A

Contrast Checker

Text on white

15.0:1

AA Pass AAA Pass

Text on black

1.4:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026