#6381AF

#6381AF

Color Values

HEX

#6381AF

RGB

99, 129, 175

HSL

216.3, 32.2%, 53.7%

HSV

216.3, 43.4%, 68.6%

CMYK

43.4%, 26.3%, 0.0%, 31.4%

OKLCH

0.5989 0.0787 258.7

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#6381AF

#AF9163

Analogous

#63A7AF

#6B63AF

#6381AF

Triadic

#6381AF

#AF6381

#81AF63

Split Complementary

#6381AF

#AF6B63

#A7AF63

Tetradic

#6381AF

#AF63A7

#AF9163

#63AF6B

Color Blindness Simulation

Original

#6381AF

Protanopia

#7070A4

Deuteranopia

#6E6CA1

Tritanopia

#649B99

Achromatopsia

#7E7E7E

CSS Usage

background-color: #6381AF;
color: #6381AF;
border-color: #6381AF;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0D9E7
300
#AEBED6
400
#829ABF
500
#5677A9
600
#455F87
700
#374C6C
800
#2B3B54
900
#222E3E
950
#161D27

Contrast Checker

Text on white

3.97:1

AA Fail AAA Fail

Text on black

5.29:1

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