#645190

#645190

Color Values

HEX

#645190

RGB

100, 81, 144

HSL

258.1, 28.0%, 44.1%

HSV

258.1, 43.8%, 56.5%

CMYK

30.6%, 43.8%, 0.0%, 43.5%

OKLCH

0.4824 0.1003 296.3

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#645190

#7D9051

Analogous

#515D90

#835190

#645190

Triadic

#645190

#906451

#519064

Split Complementary

#645190

#908351

#5D9051

Tetradic

#645190

#90515D

#7D9051

#519083

Color Blindness Simulation

Original

#645190

Protanopia

#5C5C81

Deuteranopia

#5D5E7D

Tritanopia

#637572

Achromatopsia

#5A5A5A

CSS Usage

background-color: #645190;
color: #645190;
border-color: #645190;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F6F9
100
#EBE9F1
200
#D7D1E5
300
#BBB1D3
400
#9686BB
500
#715CA3
600
#5B4983
700
#493B68
800
#392E52
900
#2C243D
950
#1C1726

Contrast Checker

Text on white

6.73:1

AA Pass AAA Fail

Text on black

3.12:1

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