#640EB5

#640EB5

Color Values

HEX

#640EB5

RGB

100, 14, 181

HSL

270.9, 85.6%, 38.2%

HSV

270.9, 92.3%, 71.0%

CMYK

44.8%, 92.3%, 0.0%, 29.0%

OKLCH

0.4289 0.2223 298.3

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#640EB5

#5FB50E

Analogous

#110EB5

#B50EB2

#640EB5

Triadic

#640EB5

#B5640E

#0EB564

Split Complementary

#640EB5

#B2B50E

#0EB511

Tetradic

#640EB5

#B5110E

#5FB50E

#0EB2B5

Color Blindness Simulation

Original

#640EB5

Protanopia

#3F3E8D

Deuteranopia

#444A83

Tritanopia

#606D66

Achromatopsia

#2C2C2C

CSS Usage

background-color: #640EB5;
color: #640EB5;
border-color: #640EB5;
Nearest Tailwind: Violet 800 #5B21B6

Tailwind Shades

50
#F8F2FD
100
#EEE0FA
200
#DCBDFA
300
#C38DF6
400
#A350F1
500
#8312ED
600
#690FBD
700
#540C97
800
#410976
900
#320B56
950
#1F0736

Contrast Checker

Text on white

9.24:1

AA Pass AAA Pass

Text on black

2.27:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026