#664D97

#664D97

Color Values

HEX

#664D97

RGB

102, 77, 151

HSL

260.3, 32.5%, 44.7%

HSV

260.3, 49.0%, 59.2%

CMYK

32.5%, 49.0%, 0.0%, 40.8%

OKLCH

0.4809 0.1172 297.4

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#664D97

#7E974D

Analogous

#4D5997

#8B4D97

#664D97

Triadic

#664D97

#97664D

#4D9766

Split Complementary

#664D97

#978B4D

#59974D

Tetradic

#664D97

#974D59

#7E974D

#4D978B

Color Blindness Simulation

Original

#664D97

Protanopia

#5B5B85

Deuteranopia

#5D5E81

Tritanopia

#657774

Achromatopsia

#585858

CSS Usage

background-color: #664D97;
color: #664D97;
border-color: #664D97;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5F9
100
#ECE8F2
200
#D8D0E7
300
#BBAED6
400
#9782BF
500
#7256A9
600
#5B4587
700
#49376C
800
#392B54
900
#2C223F
950
#1C1628

Contrast Checker

Text on white

6.83:1

AA Pass AAA Fail

Text on black

3.07:1

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