#5B9199

#5B9199

Color Values

HEX

#5B9199

RGB

91, 145, 153

HSL

187.7, 25.4%, 47.8%

HSV

187.7, 40.5%, 60.0%

CMYK

40.5%, 5.2%, 0.0%, 40.0%

OKLCH

0.622 0.0584 207.7

Properties

Cool Light Nearest: cadetblue 4

Color Harmonies

Complementary

#5B9199

#99635B

Analogous

#5B9982

#5B7299

#5B9199

Triadic

#5B9199

#995B91

#91995B

Split Complementary

#5B9199

#995B72

#99825B

Tetradic

#5B9199

#825B99

#99635B

#72995B

Color Blindness Simulation

Original

#5B9199

Protanopia

#727397

Deuteranopia

#6F6B97

Tritanopia

#5E9695

Achromatopsia

#868686

CSS Usage

background-color: #5B9199;
color: #5B9199;
border-color: #5B9199;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F6F9F9
100
#E9F0F1
200
#D2E2E4
300
#B2CDD1
400
#89B2B9
500
#5F98A0
600
#4C7980
700
#3D6166
800
#304C50
900
#25393C
950
#182426

Contrast Checker

Text on white

3.53:1

AA Fail AAA Fail

Text on black

5.95:1

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