#648CBA

#648CBA

Color Values

HEX

#648CBA

RGB

100, 140, 186

HSL

212.1, 38.4%, 56.1%

HSV

212.1, 46.2%, 72.9%

CMYK

46.2%, 24.7%, 0.0%, 27.1%

OKLCH

0.6292 0.0828 252.5

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648CBA

#BA9264

Analogous

#64B7BA

#6764BA

#648CBA

Triadic

#648CBA

#BA648C

#8CBA64

Split Complementary

#648CBA

#BA6764

#B7BA64

Tetradic

#648CBA

#BA64B7

#BA9264

#64BA67

Color Blindness Simulation

Original

#648CBA

Protanopia

#7576AF

Deuteranopia

#7370AC

Tritanopia

#66A6A4

Achromatopsia

#878787

CSS Usage

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

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CEDAE9
300
#AAC0D9
400
#7C9EC5
500
#4F7CB0
600
#3F638D
700
#324F71
800
#273E58
900
#202F41
950
#141E29

Contrast Checker

Text on white

3.5:1

AA Fail AAA Fail

Text on black

6.0:1

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