#211B3E

#211B3E

Color Values

HEX

#211B3E

RGB

33, 27, 62

HSL

250.3, 39.3%, 17.5%

HSV

250.3, 56.5%, 24.3%

CMYK

46.8%, 56.5%, 0.0%, 75.7%

OKLCH

0.2495 0.0644 288.7

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#211B3E

#383E1B

Analogous

#1B273E

#331B3E

#211B3E

Triadic

#211B3E

#3E211B

#1B3E21

Split Complementary

#211B3E

#3E331B

#273E1B

Tetradic

#211B3E

#3E1B27

#383E1B

#1B3E33

Color Blindness Simulation

Original

#211B3E

Protanopia

#1E1E36

Deuteranopia

#1F1F34

Tritanopia

#212F2D

Achromatopsia

#1F1F1F

CSS Usage

background-color: #211B3E;
color: #211B3E;
border-color: #211B3E;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F5FA
100
#E9E7F3
200
#D2CDE9
300
#B2AADA
400
#887CC6
500
#5F4DB2
600
#4C3E8E
700
#3D3272
800
#2F2759
900
#251F42
950
#171429

Contrast Checker

Text on white

16.27:1

AA Pass AAA Pass

Text on black

1.29:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026