#5B7387

#5B7387

Color Values

HEX

#5B7387

RGB

91, 115, 135

HSL

207.3, 19.5%, 44.3%

HSV

207.3, 32.6%, 52.9%

CMYK

32.6%, 14.8%, 0.0%, 47.1%

OKLCH

0.544 0.0422 243.8

Properties

Cool Dark Nearest: lightskyblue 4

Color Harmonies

Complementary

#5B7387

#876F5B

Analogous

#5B8785

#5B5D87

#5B7387

Triadic

#5B7387

#875B73

#73875B

Split Complementary

#5B7387

#875B5D

#87855B

Tetradic

#5B7387

#855B87

#876F5B

#5D875B

Color Blindness Simulation

Original

#5B7387

Protanopia

#656682

Deuteranopia

#646281

Tritanopia

#5C7E7E

Achromatopsia

#6F6F6F

CSS Usage

background-color: #5B7387;
color: #5B7387;
border-color: #5B7387;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DCE2
300
#B6C3CE
400
#8EA2B3
500
#678298
600
#52687A
700
#425362
800
#33414C
900
#283139
950
#191F24

Contrast Checker

Text on white

4.94:1

AA Pass AAA Fail

Text on black

4.25:1

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