#648BAE

#648BAE

Color Values

HEX

#648BAE

RGB

100, 139, 174

HSL

208.4, 31.4%, 53.7%

HSV

208.4, 42.5%, 68.2%

CMYK

42.5%, 20.1%, 0.0%, 31.8%

OKLCH

0.6215 0.0687 246.3

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#648BAE

#AE8764

Analogous

#64AEAC

#6466AE

#648BAE

Triadic

#648BAE

#AE648B

#8BAE64

Split Complementary

#648BAE

#AE6466

#AEAC64

Tetradic

#648BAE

#AC64AE

#AE8764

#66AE64

Color Blindness Simulation

Original

#648BAE

Protanopia

#7575A6

Deuteranopia

#7370A4

Tritanopia

#669F9D

Achromatopsia

#858585

CSS Usage

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

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DCE7
300
#AFC3D5
400
#83A2BE
500
#5782A8
600
#466886
700
#38536B
800
#2C4154
900
#23313E
950
#161F27

Contrast Checker

Text on white

3.59:1

AA Fail AAA Fail

Text on black

5.85:1

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