#5B91CE

#5B91CE

Color Values

HEX

#5B91CE

RGB

91, 145, 206

HSL

211.8, 54.0%, 58.2%

HSV

211.8, 55.8%, 80.8%

CMYK

55.8%, 29.6%, 0.0%, 19.2%

OKLCH

0.6451 0.1086 252.5

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#5B91CE

#CE985B

Analogous

#5BCBCE

#5E5BCE

#5B91CE

Triadic

#5B91CE

#CE5B91

#91CE5B

Split Complementary

#5B91CE

#CE5E5B

#CBCE5B

Tetradic

#5B91CE

#CE5BCB

#CE985B

#5BCE5E

Color Blindness Simulation

Original

#5B91CE

Protanopia

#7273BF

Deuteranopia

#6F6BBC

Tritanopia

#5EB4B1

Achromatopsia

#8A8A8A

CSS Usage

background-color: #5B91CE;
color: #5B91CE;
border-color: #5B91CE;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF5
200
#C8DAEF
300
#A1C0E3
400
#6E9ED4
500
#3B7BC4
600
#2F639D
700
#264F7E
800
#1D3E62
900
#192F48
950
#101E2D

Contrast Checker

Text on white

3.29:1

AA Fail AAA Fail

Text on black

6.39:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026