#21185B

#21185B

Color Values

HEX

#21185B

RGB

33, 24, 91

HSL

248.1, 58.3%, 22.5%

HSV

248.1, 73.6%, 35.7%

CMYK

63.7%, 73.6%, 0.0%, 64.3%

OKLCH

0.2698 0.1139 281.7

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#21185B

#525B18

Analogous

#18305B

#42185B

#21185B

Triadic

#21185B

#5B2118

#185B21

Split Complementary

#21185B

#5B4218

#305B18

Tetradic

#21185B

#5B1830

#525B18

#185B42

Color Blindness Simulation

Original

#21185B

Protanopia

#1D1D4B

Deuteranopia

#1E1E47

Tritanopia

#213E3B

Achromatopsia

#1F1F1F

CSS Usage

background-color: #21185B;
color: #21185B;
border-color: #21185B;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F5F4FB
100
#E7E4F6
200
#CCC6F0
300
#A89EE5
400
#786AD8
500
#4935CA
600
#3B2BA1
700
#2F2281
800
#251B65
900
#1E174A
950
#130F2F

Contrast Checker

Text on white

15.6:1

AA Pass AAA Pass

Text on black

1.35:1

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