#634B71

#634B71

Color Values

HEX

#634B71

RGB

99, 75, 113

HSL

277.9, 20.2%, 36.9%

HSV

277.9, 33.6%, 44.3%

CMYK

12.4%, 33.6%, 0.0%, 55.7%

OKLCH

0.4532 0.067 312.6

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#634B71

#59714B

Analogous

#504B71

#714B6C

#634B71

Triadic

#634B71

#71634B

#4B7163

Split Complementary

#634B71

#6C714B

#4B7150

Tetradic

#634B71

#71504B

#59714B

#4B6C71

Color Blindness Simulation

Original

#634B71

Protanopia

#595868

Deuteranopia

#5A5C66

Tritanopia

#62615F

Achromatopsia

#535353

CSS Usage

background-color: #634B71;
color: #634B71;
border-color: #634B71;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F8F6F9
100
#EEEAF0
200
#DDD4E3
300
#C5B5CE
400
#A68EB4
500
#866699
600
#6B517B
700
#564162
800
#43334D
900
#332839
950
#201924

Contrast Checker

Text on white

7.57:1

AA Pass AAA Pass

Text on black

2.78:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026