#5B8099

#5B8099

Color Values

HEX

#5B8099

RGB

91, 128, 153

HSL

204.2, 25.4%, 47.8%

HSV

204.2, 40.5%, 60.0%

CMYK

40.5%, 16.3%, 0.0%, 40.0%

OKLCH

0.5818 0.0567 238.6

Properties

Cool Light Nearest: lightskyblue 4

Color Harmonies

Complementary

#5B8099

#99745B

Analogous

#5B9993

#5B6199

#5B8099

Triadic

#5B8099

#995B80

#80995B

Split Complementary

#5B8099

#995B61

#99935B

Tetradic

#5B8099

#935B99

#99745B

#61995B

Color Blindness Simulation

Original

#5B8099

Protanopia

#6B6B93

Deuteranopia

#696692

Tritanopia

#5D8E8D

Achromatopsia

#7A7A7A

CSS Usage

background-color: #5B8099;
color: #5B8099;
border-color: #5B8099;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DDE4
300
#B2C5D1
400
#89A5B9
500
#5F86A0
600
#4C6B80
700
#3D5666
800
#304350
900
#25333C
950
#182026

Contrast Checker

Text on white

4.21:1

AA Fail AAA Fail

Text on black

4.99:1

AA Pass 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