#640CB7

#640CB7

Color Values

HEX

#640CB7

RGB

100, 12, 183

HSL

270,9, 87,7%, 38,2%

HSV

270,9, 93,4%, 71,8%

CMYK

45,4%, 93,4%, 0,0%, 28,2%

OKLCH

0,43 0,225 297,9

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#640CB7

#5FB70C

Analogous

#0F0CB7

#B70CB4

#640CB7

Triadic

#640CB7

#B7640C

#0CB764

Split Complementary

#640CB7

#B4B70C

#0CB70F

Tetradic

#640CB7

#B70F0C

#5FB70C

#0CB4B7

Color Blindness Simulation

Original

#640CB7

Protanopia

#3E3D8E

Deuteranopia

#434A84

Tritanopia

#606D66

Achromatopsia

#2B2B2B

CSS Usage

background-color: #640CB7;
color: #640CB7;
border-color: #640CB7;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F8F2FD
100
#EEE0FA
200
#DCBCFB
300
#C38CF7
400
#A34EF3
500
#8310EF
600
#690DBF
700
#540A99
800
#410878
900
#320A57
950
#1F0637

Contrast Checker

Text on white

9,22:1

AA Pass AAA Pass

Text on black

2,28:1

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