#5B7399

#5B7399

Color Values

HEX

#5B7399

RGB

91, 115, 153

HSL

216.8, 25.4%, 47.8%

HSV

216.8, 40.5%, 60.0%

CMYK

40.5%, 24.8%, 0.0%, 40.0%

OKLCH

0.5519 0.066 259.4

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#5B7399

#99815B

Analogous

#5B9299

#625B99

#5B7399

Triadic

#5B7399

#995B73

#73995B

Split Complementary

#5B7399

#99625B

#92995B

Tetradic

#5B7399

#995B92

#99815B

#5B9962

Color Blindness Simulation

Original

#5B7399

Protanopia

#656690

Deuteranopia

#64628E

Tritanopia

#5C8987

Achromatopsia

#717171

CSS Usage

background-color: #5B7399;
color: #5B7399;
border-color: #5B7399;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9ECF1
200
#D2D9E4
300
#B2BED1
400
#899BB9
500
#5F78A0
600
#4C6080
700
#3D4D66
800
#303C50
900
#252E3C
950
#181D26

Contrast Checker

Text on white

4.82:1

AA Pass AAA Fail

Text on black

4.36:1

AA Fail 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