#66C8DB

#66C8DB

Color Values

HEX

#66C8DB

RGB

102, 200, 219

HSL

189.7, 61.9%, 62.9%

HSV

189.7, 53.4%, 85.9%

CMYK

53.4%, 8.7%, 0.0%, 14.1%

OKLCH

0.7805 0.0957 211.9

Properties

Cool Light Nearest: Sky Blue

Color Harmonies

Complementary

#66C8DB

#DB7966

Analogous

#66DBB3

#668DDB

#66C8DB

Triadic

#66C8DB

#DB66C8

#C8DB66

Split Complementary

#66C8DB

#DB668D

#DBB366

Tetradic

#66C8DB

#B366DB

#DB7966

#8DDB66

Color Blindness Simulation

Original

#66C8DB

Protanopia

#9091D6

Deuteranopia

#8B83D5

Tritanopia

#6BD3D2

Achromatopsia

#B5B5B5

CSS Usage

background-color: #66C8DB;
color: #66C8DB;
border-color: #66C8DB;
Nearest Tailwind: Cyan 400 #22D3EE

Tailwind Shades

50
#F3FAFB
100
#E4F4F7
200
#C5EAF1
300
#9CDBE8
400
#66C8DB
500
#31B5CE
600
#2791A5
700
#1F7484
800
#185A67
900
#15434B
950
#0E2A30

Contrast Checker

Text on white

1.94:1

AA Fail AAA Fail

Text on black

10.85:1

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