#645FD0

#645FD0

Color Values

HEX

#645FD0

RGB

100, 95, 208

HSL

242,7, 54,6%, 59,4%

HSV

242,7, 54,3%, 81,6%

CMYK

51,9%, 54,3%, 0,0%, 18,4%

OKLCH

0,5497 0,1692 281,3

Properties

Cool Dark Nearest: slateblue

Color Harmonies

Complementary

#645FD0

#CBD05F

Analogous

#5F92D0

#9D5FD0

#645FD0

Triadic

#645FD0

#D0645F

#5FD064

Split Complementary

#645FD0

#D09D5F

#92D05F

Tetradic

#645FD0

#D05F92

#CBD05F

#5FD09D

Color Blindness Simulation

Original

#645FD0

Protanopia

#6262B5

Deuteranopia

#6262AE

Tritanopia

#649F9A

Achromatopsia

#686868

CSS Usage

background-color: #645FD0;
color: #645FD0;
border-color: #645FD0;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CAC8EF
300
#A3A0E3
400
#726DD4
500
#403AC5
600
#332E9E
700
#29257E
800
#201D63
900
#1B1948
950
#11102E

Contrast Checker

Text on white

5,14:1

AA Pass AAA Fail

Text on black

4,09:1

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