#211B63

#211B63

Color Values

HEX

#211B63

RGB

33, 27, 99

HSL

245.0, 57.1%, 24.7%

HSV

245.0, 72.7%, 38.8%

CMYK

66.7%, 72.7%, 0.0%, 61.2%

OKLCH

0.2831 0.1214 279.0

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#211B63

#5D631B

Analogous

#1B3963

#451B63

#211B63

Triadic

#211B63

#63211B

#1B6321

Split Complementary

#211B63

#63451B

#39631B

Tetradic

#211B63

#631B39

#5D631B

#1B6345

Color Blindness Simulation

Original

#211B63

Protanopia

#1E1E52

Deuteranopia

#1F1F4D

Tritanopia

#214441

Achromatopsia

#212121

CSS Usage

background-color: #211B63;
color: #211B63;
border-color: #211B63;
Nearest Tailwind: Violet 950 #2E1065

Tailwind Shades

50
#F4F4FB
100
#E6E4F6
200
#CAC7F0
300
#A59FE5
400
#746BD7
500
#4337C8
600
#352CA0
700
#2B2380
800
#211B64
900
#1C1849
950
#110F2E

Contrast Checker

Text on white

14.98:1

AA Pass AAA Pass

Text on black

1.4:1

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