#645FD6

#645FD6

Color Values

HEX

#645FD6

RGB

100, 95, 214

HSL

242.5, 59.2%, 60.6%

HSV

242.5, 55.6%, 83.9%

CMYK

53.3%, 55.6%, 0.0%, 16.1%

OKLCH

0.554 0.1773 280.8

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#645FD6

#D1D65F

Analogous

#5F96D6

#9F5FD6

#645FD6

Triadic

#645FD6

#D6645F

#5FD664

Split Complementary

#645FD6

#D69F5F

#96D65F

Tetradic

#645FD6

#D65F96

#D1D65F

#5FD69F

Color Blindness Simulation

Original

#645FD6

Protanopia

#6262B9

Deuteranopia

#6262B2

Tritanopia

#64A29D

Achromatopsia

#696969

CSS Usage

background-color: #645FD6;
color: #645FD6;
border-color: #645FD6;
Nearest Tailwind: Indigo 500 #6366F1

Tailwind Shades

50
#F4F4FB
100
#E5E4F6
200
#C8C6F0
300
#A19EE6
400
#6D69D9
500
#3A34CB
600
#2F2AA2
700
#252182
800
#1D1A65
900
#19174A
950
#100E2F

Contrast Checker

Text on white

5.06:1

AA Pass AAA Fail

Text on black

4.15:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026