#66A0CF

#66A0CF

Color Values

HEX

#66A0CF

RGB

102, 160, 207

HSL

206.9, 52.2%, 60.6%

HSV

206.9, 50.7%, 81.2%

CMYK

50.7%, 22.7%, 0.0%, 18.8%

OKLCH

0.6846 0.0925 244.2

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#66A0CF

#CF9566

Analogous

#66CFCA

#666CCF

#66A0CF

Triadic

#66A0CF

#CF66A0

#A0CF66

Split Complementary

#66A0CF

#CF666C

#CFCA66

Tetradic

#66A0CF

#CA66CF

#CF9566

#6CCF66

Color Blindness Simulation

Original

#66A0CF

Protanopia

#7F80C4

Deuteranopia

#7C77C1

Tritanopia

#69BBB9

Achromatopsia

#979797

CSS Usage

background-color: #66A0CF;
color: #66A0CF;
border-color: #66A0CF;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C9DDEE
300
#A2C5E2
400
#6FA6D2
500
#3D86C2
600
#316C9B
700
#27567C
800
#1E4361
900
#1A3347
950
#10202D

Contrast Checker

Text on white

2.8:1

AA Fail AAA Fail

Text on black

7.49:1

AA Pass AAA Pass

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