#211F56

#211F56

Color Values

HEX

#211F56

RGB

33, 31, 86

HSL

242.2, 47.0%, 22.9%

HSV

242.2, 64.0%, 33.7%

CMYK

61.6%, 64.0%, 0.0%, 66.3%

OKLCH

0.2781 0.0966 279.7

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#211F56

#54561F

Analogous

#1F3856

#3C1F56

#211F56

Triadic

#211F56

#56211F

#1F5621

Split Complementary

#211F56

#563C1F

#38561F

Tetradic

#211F56

#561F38

#54561F

#1F563C

Color Blindness Simulation

Original

#211F56

Protanopia

#202049

Deuteranopia

#202046

Tritanopia

#213E3C

Achromatopsia

#232323

CSS Usage

background-color: #211F56;
color: #211F56;
border-color: #211F56;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CCCBEC
300
#A7A5DF
400
#7874CD
500
#4844BB
600
#3A3696
700
#2E2B78
800
#24225E
900
#1D1C45
950
#13122C

Contrast Checker

Text on white

15.05:1

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