#212271

#212271

Color Values

HEX

#212271

RGB

33, 34, 113

HSL

239.2, 54.8%, 28.6%

HSV

239.2, 70.8%, 44.3%

CMYK

70.8%, 69.9%, 0.0%, 55.7%

OKLCH

0.3098 0.1323 274.9

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#212271

#717021

Analogous

#214A71

#482171

#212271

Triadic

#212271

#712122

#227121

Split Complementary

#212271

#714821

#4A7121

Tetradic

#212271

#71214A

#717021

#217148

Color Blindness Simulation

Original

#212271

Protanopia

#21215E

Deuteranopia

#212159

Tritanopia

#214F4B

Achromatopsia

#272727

CSS Usage

background-color: #212271;
color: #212271;
border-color: #212271;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C8C8EF
300
#A0A1E3
400
#6D6ED4
500
#3A3BC5
600
#2E309E
700
#25267E
800
#1D1E63
900
#191948
950
#10102E

Contrast Checker

Text on white

13.71:1

AA Pass AAA Pass

Text on black

1.53:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026