#645E98

#645E98

Color Values

HEX

#645E98

RGB

100, 94, 152

HSL

246.2, 23.6%, 48.2%

HSV

246.2, 38.2%, 59.6%

CMYK

34.2%, 38.2%, 0.0%, 40.4%

OKLCH

0.5128 0.0906 287.5

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#645E98

#92985E

Analogous

#5E7598

#815E98

#645E98

Triadic

#645E98

#98645E

#5E9864

Split Complementary

#645E98

#98815E

#75985E

Tetradic

#645E98

#985E75

#92985E

#5E9881

Color Blindness Simulation

Original

#645E98

Protanopia

#61618A

Deuteranopia

#626287

Tritanopia

#647F7C

Achromatopsia

#636363

CSS Usage

background-color: #645E98;
color: #645E98;
border-color: #645E98;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F6F6F9
100
#EAEAF1
200
#D5D3E4
300
#B6B3D0
400
#8F8AB7
500
#68619E
600
#534E7E
700
#423E65
800
#34314F
900
#28263B
950
#191825

Contrast Checker

Text on white

5.84:1

AA Pass AAA Fail

Text on black

3.6:1

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