#5B6288

#5B6288

Color Values

HEX

#5B6288

RGB

91, 98, 136

HSL

230.7, 19.8%, 44.5%

HSV

230.7, 33.1%, 53.3%

CMYK

33.1%, 27.9%, 0.0%, 46.7%

OKLCH

0.5056 0.0611 275.9

Properties

Cool Dark Nearest: RAL 5014 Pigeon Blue

Color Harmonies

Complementary

#5B6288

#88815B

Analogous

#5B7888

#6B5B88

#5B6288

Triadic

#5B6288

#885B62

#62885B

Split Complementary

#5B6288

#886B5B

#78885B

Tetradic

#5B6288

#885B78

#88815B

#5B886B

Color Blindness Simulation

Original

#5B6288

Protanopia

#5E5E7F

Deuteranopia

#5E5D7D

Tritanopia

#5B7876

Achromatopsia

#636363

CSS Usage

background-color: #5B6288;
color: #5B6288;
border-color: #5B6288;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F6F9
100
#EAEBF0
200
#D4D6E2
300
#B6B9CE
400
#8E94B3
500
#666E99
600
#52587A
700
#414662
800
#33374C
900
#282A39
950
#191B24

Contrast Checker

Text on white

5.92:1

AA Pass AAA Fail

Text on black

3.55:1

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