#211B3F

#211B3F

Color Values

HEX

#211B3F

RGB

33, 27, 63

HSL

250.0, 40.0%, 17.6%

HSV

250.0, 57.1%, 24.7%

CMYK

47.6%, 57.1%, 0.0%, 75.3%

OKLCH

0.2503 0.0661 288.3

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#211B3F

#393F1B

Analogous

#1B273F

#331B3F

#211B3F

Triadic

#211B3F

#3F211B

#1B3F21

Split Complementary

#211B3F

#3F331B

#273F1B

Tetradic

#211B3F

#3F1B27

#393F1B

#1B3F33

Color Blindness Simulation

Original

#211B3F

Protanopia

#1E1E36

Deuteranopia

#1F1F34

Tritanopia

#212F2E

Achromatopsia

#1F1F1F

CSS Usage

background-color: #211B3F;
color: #211B3F;
border-color: #211B3F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F5FA
100
#E9E7F3
200
#D2CDEA
300
#B1A9DA
400
#877BC6
500
#5E4CB2
600
#4B3D8F
700
#3C3172
800
#2F2659
900
#251F42
950
#17142A

Contrast Checker

Text on white

16.24:1

AA Pass AAA Pass

Text on black

1.29:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026