#5B5D89

#5B5D89

Color Values

HEX

#5B5D89

RGB

91, 93, 137

HSL

237.4, 20.2%, 44.7%

HSV

237.4, 33.6%, 53.7%

CMYK

33.6%, 32.1%, 0.0%, 46.3%

OKLCH

0.4951 0.07 281.5

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#5B5D89

#89875B

Analogous

#5B7489

#705B89

#5B5D89

Triadic

#5B5D89

#895B5D

#5D895B

Split Complementary

#5B5D89

#89705B

#74895B

Tetradic

#5B5D89

#895B74

#89875B

#5B8970

Color Blindness Simulation

Original

#5B5D89

Protanopia

#5C5C7E

Deuteranopia

#5C5C7C

Tritanopia

#5B7674

Achromatopsia

#606060

CSS Usage

background-color: #5B5D89;
color: #5B5D89;
border-color: #5B5D89;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D5E3
300
#B5B7CE
400
#8E8FB4
500
#666899
600
#51537B
700
#414362
800
#33344D
900
#282839
950
#191A24

Contrast Checker

Text on white

6.23:1

AA Pass AAA Fail

Text on black

3.37:1

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