#581B8D

#581B8D

Color Values

HEX

#581B8D

RGB

88, 27, 141

HSL

272.1, 67.9%, 32.9%

HSV

272.1, 80.9%, 55.3%

CMYK

37.6%, 80.9%, 0.0%, 44.7%

OKLCH

0.385 0.1733 303.0

Properties

Cool Dark Nearest: purple 4

Color Harmonies

Complementary

#581B8D

#508D1B

Analogous

#1F1B8D

#8D1B89

#581B8D

Triadic

#581B8D

#8D581B

#1B8D58

Split Complementary

#581B8D

#898D1B

#1B8D1F

Tetradic

#581B8D

#8D1F1B

#508D1B

#1B898D

Color Blindness Simulation

Original

#581B8D

Protanopia

#3E3D71

Deuteranopia

#41466B

Tritanopia

#555C57

Achromatopsia

#303030

CSS Usage

background-color: #581B8D;
color: #581B8D;
border-color: #581B8D;
Nearest Tailwind: Purple 900 #581C87

Tailwind Shades

50
#F8F3FC
100
#EEE3F7
200
#DDC3F4
300
#C598EB
400
#A561E1
500
#8629D6
600
#6B21AB
700
#551A89
800
#43146B
900
#33134E
950
#200C31

Contrast Checker

Text on white

10.73:1

AA Pass AAA Pass

Text on black

1.96:1

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