#666BA7

#666BA7

Color Values

HEX

#666BA7

RGB

102, 107, 167

HSL

235.4, 27.0%, 52.7%

HSV

235.4, 38.9%, 65.5%

CMYK

38.9%, 35.9%, 0.0%, 34.5%

OKLCH

0.5494 0.0932 279.2

Properties

Cool Dark Nearest: RAL 4011 Pearl Violet

Color Harmonies

Complementary

#666BA7

#A7A266

Analogous

#668BA7

#8166A7

#666BA7

Triadic

#666BA7

#A7666B

#6BA766

Split Complementary

#666BA7

#A78166

#8BA766

Tetradic

#666BA7

#A7668B

#A7A266

#66A781

Color Blindness Simulation

Original

#666BA7

Protanopia

#686898

Deuteranopia

#686895

Tritanopia

#668D8A

Achromatopsia

#6E6E6E

CSS Usage

background-color: #666BA7;
color: #666BA7;
border-color: #666BA7;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D2D3E5
300
#B1B4D2
400
#878BBA
500
#5D62A2
600
#4A4F82
700
#3C3F68
800
#2F3151
900
#25263C
950
#171826

Contrast Checker

Text on white

4.97:1

AA Pass AAA Fail

Text on black

4.23:1

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