#648AC5

#648AC5

Color Values

HEX

#648AC5

RGB

100, 138, 197

HSL

216.5, 45.5%, 58.2%

HSV

216.5, 49.2%, 77.3%

CMYK

49.2%, 29.9%, 0.0%, 22.7%

OKLCH

0.63 0.0992 258.9

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#648AC5

#C59F64

Analogous

#64BAC5

#6E64C5

#648AC5

Triadic

#648AC5

#C5648A

#8AC564

Split Complementary

#648AC5

#C56E64

#BAC564

Tetradic

#648AC5

#C564BA

#C59F64

#64C56E

Color Blindness Simulation

Original

#648AC5

Protanopia

#7475B7

Deuteranopia

#726FB3

Tritanopia

#66ABA9

Achromatopsia

#868686

CSS Usage

background-color: #648AC5;
color: #648AC5;
border-color: #648AC5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CBD8EC
300
#A6BCDE
400
#7697CC
500
#4573BA
600
#385C94
700
#2C4A77
800
#23395D
900
#1D2C44
950
#121C2B

Contrast Checker

Text on white

3.51:1

AA Fail AAA Fail

Text on black

5.98:1

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