#66456F

#66456F

Color Values

HEX

#66456F

RGB

102, 69, 111

HSL

287.1, 23.3%, 35.3%

HSV

287.1, 37.8%, 43.5%

CMYK

8.1%, 37.8%, 0.0%, 56.5%

OKLCH

0.4439 0.0779 318.9

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#66456F

#4E6F45

Analogous

#51456F

#6F4563

#66456F

Triadic

#66456F

#6F6645

#456F66

Split Complementary

#66456F

#636F45

#456F51

Tetradic

#66456F

#6F5145

#4E6F45

#45636F

Color Blindness Simulation

Original

#66456F

Protanopia

#585765

Deuteranopia

#5A5C62

Tritanopia

#645D5B

Achromatopsia

#4F4F4F

CSS Usage

background-color: #66456F;
color: #66456F;
border-color: #66456F;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F8F6F9
100
#EFEAF1
200
#E0D3E4
300
#CAB4D0
400
#AD8BB7
500
#90629D
600
#744E7E
700
#5C3F65
800
#48314F
900
#36263B
950
#221825

Contrast Checker

Text on white

7.94:1

AA Pass AAA Pass

Text on black

2.65:1

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