#665AB1

#665AB1

Color Values

HEX

#665AB1

RGB

102, 90, 177

HSL

248.3, 35.8%, 52.4%

HSV

248.3, 49.2%, 69.4%

CMYK

42.4%, 49.2%, 0.0%, 30.6%

OKLCH

0.5213 0.1332 287.2

Properties

Cool Dark Nearest: Blue Violet

Color Harmonies

Complementary

#665AB1

#A5B15A

Analogous

#5A7AB1

#925AB1

#665AB1

Triadic

#665AB1

#B1665A

#5AB166

Split Complementary

#665AB1

#B1925A

#7AB15A

Tetradic

#665AB1

#B15A7A

#A5B15A

#5AB192

Color Blindness Simulation

Original

#665AB1

Protanopia

#61619C

Deuteranopia

#626297

Tritanopia

#658B88

Achromatopsia

#636363

CSS Usage

background-color: #665AB1;
color: #665AB1;
border-color: #665AB1;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F5FA
100
#E9E8F3
200
#D2CFE8
300
#B2ACD8
400
#887FC2
500
#5E52AD
600
#4C418B
700
#3C346F
800
#2F2957
900
#252140
950
#171528

Contrast Checker

Text on white

5.73:1

AA Pass AAA Fail

Text on black

3.66:1

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