#665A9F

#665A9F

Color Values

HEX

#665A9F

RGB

102, 90, 159

HSL

250.4, 27.7%, 48.8%

HSV

250.4, 43.4%, 62.4%

CMYK

35.8%, 43.4%, 0.0%, 37.6%

OKLCH

0.5104 0.1074 290.0

Properties

Cool Dark Nearest: mediumpurple 4

Color Harmonies

Complementary

#665A9F

#939F5A

Analogous

#5A709F

#885A9F

#665A9F

Triadic

#665A9F

#9F665A

#5A9F66

Split Complementary

#665A9F

#9F885A

#709F5A

Tetradic

#665A9F

#9F5A70

#939F5A

#5A9F88

Color Blindness Simulation

Original

#665A9F

Protanopia

#61618E

Deuteranopia

#62628A

Tritanopia

#65817E

Achromatopsia

#626262

CSS Usage

background-color: #665A9F;
color: #665A9F;
border-color: #665A9F;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F6F9
100
#EAE9F1
200
#D5D1E5
300
#B7B1D3
400
#9087BB
500
#685CA3
600
#544A82
700
#433B68
800
#342E51
900
#29243D
950
#1A1726

Contrast Checker

Text on white

5.95:1

AA Pass AAA Fail

Text on black

3.53:1

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