#657FAC

#657FAC

Color Values

HEX

#657FAC

RGB

101, 127, 172

HSL

218.0, 30.0%, 53.5%

HSV

218.0, 41.3%, 67.5%

CMYK

41.3%, 26.2%, 0.0%, 32.5%

OKLCH

0.5943 0.0756 261.1

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#657FAC

#AC9265

Analogous

#65A3AC

#6E65AC

#657FAC

Triadic

#657FAC

#AC657F

#7FAC65

Split Complementary

#657FAC

#AC6E65

#A3AC65

Tetradic

#657FAC

#AC65A3

#AC9265

#65AC6E

Color Blindness Simulation

Original

#657FAC

Protanopia

#7070A1

Deuteranopia

#6F6D9E

Tritanopia

#669997

Achromatopsia

#7D7D7D

CSS Usage

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

Tailwind Shades

50
#F5F7F9
100
#E9ECF2
200
#D1D8E6
300
#AFBDD4
400
#8499BD
500
#5975A6
600
#475E85
700
#394B6A
800
#2D3B53
900
#232D3E
950
#161C27

Contrast Checker

Text on white

4.05:1

AA Fail AAA Fail

Text on black

5.18:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026