#66939B

#66939B

Color Values

HEX

#66939B

RGB

102, 147, 155

HSL

189.1, 20.9%, 50.4%

HSV

189.1, 34.2%, 60.8%

CMYK

34.2%, 5.2%, 0.0%, 39.2%

OKLCH

0.6337 0.0502 209.8

Properties

Cool Light Nearest: paleturquoise 4

Color Harmonies

Complementary

#66939B

#9B6E66

Analogous

#669B89

#66799B

#66939B

Triadic

#66939B

#9B6693

#939B66

Split Complementary

#66939B

#9B6679

#9B8966

Tetradic

#66939B

#89669B

#9B6E66

#799B66

Color Blindness Simulation

Original

#66939B

Protanopia

#797A99

Deuteranopia

#777499

Tritanopia

#689897

Achromatopsia

#8A8A8A

CSS Usage

background-color: #66939B;
color: #66939B;
border-color: #66939B;
Nearest Tailwind: Slate 400 #94A3B8

Tailwind Shades

50
#F6F8F9
100
#EAEFF0
200
#D4E0E3
300
#B5CBCF
400
#8DAEB4
500
#65929A
600
#51757B
700
#415D63
800
#32494D
900
#27373A
950
#192324

Contrast Checker

Text on white

3.38:1

AA Fail AAA Fail

Text on black

6.21:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026