#211337

#211337

Color Values

HEX

#211337

RGB

33, 19, 55

HSL

263,3, 48,6%, 14,5%

HSV

263,3, 65,5%, 21,6%

CMYK

40,0%, 65,5%, 0,0%, 78,4%

OKLCH

0,2271 0,0679 298,8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#211337

#293713

Analogous

#131737

#331337

#211337

Triadic

#211337

#372113

#133721

Split Complementary

#211337

#373313

#173713

Tetradic

#211337

#371317

#293713

#133733

Color Blindness Simulation

Original

#211337

Protanopia

#1B1B2E

Deuteranopia

#1C1D2C

Tritanopia

#202726

Achromatopsia

#191919

CSS Usage

background-color: #211337;
color: #211337;
border-color: #211337;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FB
100
#ECE6F5
200
#D7CAED
300
#BBA4E0
400
#9673CF
500
#7242BD
600
#5B3498
700
#492A79
800
#39215F
900
#2C1B46
950
#1C112C

Contrast Checker

Text on white

17,31:1

AA Pass AAA Pass

Text on black

1,21:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026