#657F8F

#657F8F

Color Values

HEX

#657F8F

RGB

101, 127, 143

HSL

202.9, 17.2%, 47.8%

HSV

202.9, 29.4%, 56.1%

CMYK

29.4%, 11.2%, 0.0%, 43.9%

OKLCH

0.5819 0.0388 235.4

Properties

Cool Light Nearest: lightskyblue 4

Color Harmonies

Complementary

#657F8F

#8F7565

Analogous

#658F8A

#656A8F

#657F8F

Triadic

#657F8F

#8F657F

#7F8F65

Split Complementary

#657F8F

#8F656A

#8F8A65

Tetradic

#657F8F

#8A658F

#8F7565

#6A8F65

Color Blindness Simulation

Original

#657F8F

Protanopia

#70708B

Deuteranopia

#6F6D8A

Tritanopia

#668887

Achromatopsia

#7B7B7B

CSS Usage

background-color: #657F8F;
color: #657F8F;
border-color: #657F8F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F8
100
#EBEEF0
200
#D5DDE1
300
#B7C4CC
400
#90A4B1
500
#6A8595
600
#546A78
700
#445560
800
#35424B
900
#293238
950
#1A2023

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

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