#666ACE

#666ACE

Color Values

HEX

#666ACE

RGB

102, 106, 206

HSL

237.7, 51.5%, 60.4%

HSV

237.7, 50.5%, 80.8%

CMYK

50.5%, 48.5%, 0.0%, 19.2%

OKLCH

0.5703 0.1512 278.7

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#666ACE

#CECA66

Analogous

#669ECE

#9666CE

#666ACE

Triadic

#666ACE

#CE666A

#6ACE66

Split Complementary

#666ACE

#CE9666

#9ECE66

Tetradic

#666ACE

#CE669E

#CECA66

#66CE96

Color Blindness Simulation

Original

#666ACE

Protanopia

#6868B6

Deuteranopia

#6867B0

Tritanopia

#66A39E

Achromatopsia

#707070

CSS Usage

background-color: #666ACE;
color: #666ACE;
border-color: #666ACE;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C9CAEE
300
#A2A5E1
400
#7074D1
500
#3E43C1
600
#31359B
700
#282B7C
800
#1F2161
900
#1A1C47
950
#10122D

Contrast Checker

Text on white

4.65:1

AA Pass AAA Fail

Text on black

4.52:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026