#220537

#220537

Color Values

HEX

#220537

RGB

34, 5, 55

HSL

274.8, 83.3%, 11.8%

HSV

274.8, 90.9%, 21.6%

CMYK

38.2%, 90.9%, 0.0%, 78.4%

OKLCH

0.2053 0.0917 306.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#220537

#1A3705

Analogous

#090537

#370533

#220537

Triadic

#220537

#372205

#053722

Split Complementary

#220537

#333705

#053709

Tetradic

#220537

#370905

#1A3705

#053337

Color Blindness Simulation

Original

#220537

Protanopia

#15152B

Deuteranopia

#171928

Tritanopia

#21211F

Achromatopsia

#0F0F0F

CSS Usage

background-color: #220537;
color: #220537;
border-color: #220537;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F2FD
100
#EFE1FA
200
#E0BEF9
300
#CA8FF5
400
#AD52EF
500
#9015EA
600
#7411BB
700
#5C0E96
800
#480B75
900
#360C55
950
#220836

Contrast Checker

Text on white

18.34:1

AA Pass AAA Pass

Text on black

1.14:1

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