#310D44

#310D44

Color Values

HEX

#310D44

RGB

49, 13, 68

HSL

279.3, 67.9%, 15.9%

HSV

279.3, 80.9%, 26.7%

CMYK

27.9%, 80.9%, 0.0%, 73.3%

OKLCH

0.2512 0.1001 311.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#310D44

#20440D

Analogous

#160D44

#440D3C

#310D44

Triadic

#310D44

#44310D

#0D4431

Split Complementary

#310D44

#3C440D

#0D4416

Tetradic

#310D44

#44160D

#20440D

#0D3C44

Color Blindness Simulation

Original

#310D44

Protanopia

#212137

Deuteranopia

#242633

Tritanopia

#2F2C2A

Achromatopsia

#191919

CSS Usage

background-color: #310D44;
color: #310D44;
border-color: #310D44;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F3FC
100
#F0E3F7
200
#E3C3F4
300
#CF98EB
400
#B561E1
500
#9A29D6
600
#7B21AB
700
#631A89
800
#4D146B
900
#3A134E
950
#240C31

Contrast Checker

Text on white

16.51:1

AA Pass AAA Pass

Text on black

1.27:1

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