#631199

#631199

Color Values

HEX

#631199

RGB

99, 17, 153

HSL

276.2, 80.0%, 33.3%

HSV

276.2, 88.9%, 60.0%

CMYK

35.3%, 88.9%, 0.0%, 40.0%

OKLCH

0.4029 0.1952 305.7

Properties

Cool Dark Nearest: indigo

Color Harmonies

Complementary

#631199

#479911

Analogous

#1F1199

#99118B

#631199

Triadic

#631199

#996311

#119963

Split Complementary

#631199

#8B9911

#11991F

Tetradic

#631199

#991F11

#479911

#118B99

Color Blindness Simulation

Original

#631199

Protanopia

#3F3F78

Deuteranopia

#444A70

Tritanopia

#5F5E58

Achromatopsia

#2C2C2C

CSS Usage

background-color: #631199;
color: #631199;
border-color: #631199;
Nearest Tailwind: Purple 800 #6B21A8

Tailwind Shades

50
#F8F2FD
100
#F0E1F9
200
#E1BFF8
300
#CC91F3
400
#B055EC
500
#9519E6
600
#7714B8
700
#5F1093
800
#4A0D73
900
#380E53
950
#230935

Contrast Checker

Text on white

10.14:1

AA Pass AAA Pass

Text on black

2.07:1

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