#66538E

#66538E

Color Values

HEX

#66538E

RGB

102, 83, 142

HSL

259.3, 26.2%, 44.1%

HSV

259.3, 41.5%, 55.7%

CMYK

28.2%, 41.5%, 0.0%, 44.3%

OKLCH

0.4871 0.0943 297.6

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#66538E

#7B8E53

Analogous

#535E8E

#83538E

#66538E

Triadic

#66538E

#8E6653

#538E66

Split Complementary

#66538E

#8E8353

#5E8E53

Tetradic

#66538E

#8E535E

#7B8E53

#538E83

Color Blindness Simulation

Original

#66538E

Protanopia

#5E5E80

Deuteranopia

#5F607C

Tritanopia

#657472

Achromatopsia

#5B5B5B

CSS Usage

background-color: #66538E;
color: #66538E;
border-color: #66538E;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F6F9
100
#ECE9F1
200
#D8D2E5
300
#BCB2D2
400
#9888B9
500
#745EA1
600
#5C4B81
700
#4A3C67
800
#3A2F50
900
#2C253C
950
#1C1726

Contrast Checker

Text on white

6.58:1

AA Pass AAA Fail

Text on black

3.19:1

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