#211C44

#211C44

Color Values

HEX

#211C44

RGB

33, 28, 68

HSL

247.5, 41.7%, 18.8%

HSV

247.5, 58.8%, 26.7%

CMYK

51.5%, 58.8%, 0.0%, 73.3%

OKLCH

0.2564 0.0726 285.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#211C44

#3F441C

Analogous

#1C2B44

#351C44

#211C44

Triadic

#211C44

#44211C

#1C4421

Split Complementary

#211C44

#44351C

#2B441C

Tetradic

#211C44

#441C2B

#3F441C

#1C4435

Color Blindness Simulation

Original

#211C44

Protanopia

#1F1F3A

Deuteranopia

#1F2038

Tritanopia

#213331

Achromatopsia

#202020

CSS Usage

background-color: #211C44;
color: #211C44;
border-color: #211C44;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#D0CCEA
300
#AFA8DB
400
#8379C8
500
#584AB5
600
#463B91
700
#383074
800
#2C255A
900
#231E43
950
#16132A

Contrast Checker

Text on white

15.98:1

AA Pass AAA Pass

Text on black

1.31:1

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