#648CB6

#648CB6

Color Values

HEX

#648CB6

RGB

100, 140, 182

HSL

210.7, 36.0%, 55.3%

HSV

210.7, 45.1%, 71.4%

CMYK

45.1%, 23.1%, 0.0%, 28.6%

OKLCH

0.6273 0.0777 250.3

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648CB6

#B68E64

Analogous

#64B5B6

#6564B6

#648CB6

Triadic

#648CB6

#B6648C

#8CB664

Split Complementary

#648CB6

#B66564

#B5B664

Tetradic

#648CB6

#B664B5

#B68E64

#64B665

Color Blindness Simulation

Original

#648CB6

Protanopia

#7576AC

Deuteranopia

#7370A9

Tritanopia

#66A4A2

Achromatopsia

#878787

CSS Usage

background-color: #648CB6;
color: #648CB6;
border-color: #648CB6;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDBE8
300
#ACC1D8
400
#7FA0C3
500
#527EAD
600
#41658B
700
#34516F
800
#293F57
900
#213040
950
#151E29

Contrast Checker

Text on white

3.52:1

AA Fail AAA Fail

Text on black

5.97:1

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