#648AB5

#648AB5

Color Values

HEX

#648AB5

RGB

100, 138, 181

HSL

211.9, 35.4%, 55.1%

HSV

211.9, 44.8%, 71.0%

CMYK

44.8%, 23.8%, 0.0%, 29.0%

OKLCH

0.6224 0.078 252.1

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648AB5

#B58F64

Analogous

#64B2B5

#6764B5

#648AB5

Triadic

#648AB5

#B5648A

#8AB564

Split Complementary

#648AB5

#B56764

#B2B564

Tetradic

#648AB5

#B564B2

#B58F64

#64B567

Color Blindness Simulation

Original

#648AB5

Protanopia

#7475AB

Deuteranopia

#726FA8

Tritanopia

#66A2A1

Achromatopsia

#858585

CSS Usage

background-color: #648AB5;
color: #648AB5;
border-color: #648AB5;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CFDAE8
300
#ACC0D7
400
#7F9FC2
500
#527DAD
600
#42648A
700
#35506E
800
#293E56
900
#212F40
950
#151E28

Contrast Checker

Text on white

3.59:1

AA Fail AAA Fail

Text on black

5.84:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026