#664C85

#664C85

Color Values

HEX

#664C85

RGB

102, 76, 133

HSL

267.4, 27.3%, 41.0%

HSV

267.4, 42.9%, 52.2%

CMYK

23.3%, 42.9%, 0.0%, 47.8%

OKLCH

0.4686 0.0939 304.0

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#664C85

#6B854C

Analogous

#4C4E85

#834C85

#664C85

Triadic

#664C85

#85664C

#4C8566

Split Complementary

#664C85

#85834C

#4E854C

Tetradic

#664C85

#854C4E

#6B854C

#4C8583

Color Blindness Simulation

Original

#664C85

Protanopia

#5B5B77

Deuteranopia

#5C5E74

Tritanopia

#656C6A

Achromatopsia

#565656

CSS Usage

background-color: #664C85;
color: #664C85;
border-color: #664C85;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F7F6F9
100
#EDE9F1
200
#DAD2E5
300
#C0B1D3
400
#9E87BA
500
#7C5DA2
600
#644A82
700
#503B68
800
#3E2E51
900
#2F253C
950
#1E1726

Contrast Checker

Text on white

7.15:1

AA Pass AAA Pass

Text on black

2.94:1

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