#211F51

#211F51

Color Values

HEX

#211F51

RGB

33, 31, 81

HSL

242.4, 44.6%, 22.0%

HSV

242.4, 61.7%, 31.8%

CMYK

59.3%, 61.7%, 0.0%, 68.2%

OKLCH

0.2737 0.0887 280.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#211F51

#4F511F

Analogous

#1F3651

#3A1F51

#211F51

Triadic

#211F51

#51211F

#1F5121

Split Complementary

#211F51

#513A1F

#36511F

Tetradic

#211F51

#511F36

#4F511F

#1F513A

Color Blindness Simulation

Original

#211F51

Protanopia

#202045

Deuteranopia

#202042

Tritanopia

#213B39

Achromatopsia

#232323

CSS Usage

background-color: #211F51;
color: #211F51;
border-color: #211F51;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CDCBEB
300
#A9A7DD
400
#7A77CB
500
#4B47B8
600
#3C3993
700
#302D76
800
#26235C
900
#1F1D44
950
#13122B

Contrast Checker

Text on white

15.22:1

AA Pass AAA Pass

Text on black

1.38:1

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