#212F83

#212F83

Color Values

HEX

#212F83

RGB

33, 47, 131

HSL

231.4, 59.8%, 32.2%

HSV

231.4, 74.8%, 51.4%

CMYK

74.8%, 64.1%, 0.0%, 48.6%

OKLCH

0.3518 0.1412 270.1

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#212F83

#837521

Analogous

#216083

#442183

#212F83

Triadic

#212F83

#83212F

#2F8321

Split Complementary

#212F83

#834421

#608321

Tetradic

#212F83

#832160

#837521

#218344

Color Blindness Simulation

Original

#212F83

Protanopia

#27276F

Deuteranopia

#26256A

Tritanopia

#225F5B

Achromatopsia

#323232

CSS Usage

background-color: #212F83;
color: #212F83;
border-color: #212F83;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F5FB
100
#E4E7F6
200
#C6CCF1
300
#9DA8E6
400
#6878D9
500
#3349CC
600
#293AA3
700
#212F82
800
#1A2566
900
#161E4B
950
#0E132F

Contrast Checker

Text on white

11.67:1

AA Pass AAA Pass

Text on black

1.8:1

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