#331C50

#331C50

Color Values

HEX

#331C50

RGB

51, 28, 80

HSL

266.5, 48.1%, 21.2%

HSV

266.5, 65.0%, 31.4%

CMYK

36.3%, 65.0%, 0.0%, 68.6%

OKLCH

0.2866 0.0922 301.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#331C50

#39501C

Analogous

#1C1F50

#4D1C50

#331C50

Triadic

#331C50

#50331C

#1C5033

Split Complementary

#331C50

#504D1C

#1F501C

Tetradic

#331C50

#501C1F

#39501C

#1C504D

Color Blindness Simulation

Original

#331C50

Protanopia

#292943

Deuteranopia

#2A2C40

Tritanopia

#323937

Achromatopsia

#252525

CSS Usage

background-color: #331C50;
color: #331C50;
border-color: #331C50;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FA
100
#ECE6F4
200
#D9CAEC
300
#BEA4DF
400
#9B73CE
500
#7842BD
600
#603597
700
#4D2A79
800
#3C215E
900
#2E1B45
950
#1D112C

Contrast Checker

Text on white

14.76:1

AA Pass AAA Pass

Text on black

1.42:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

2月 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

1月 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

1月 21, 2026