#669DC5

#669DC5

Color Values

HEX

#669DC5

RGB

102, 157, 197

HSL

205.3, 45.0%, 58.6%

HSV

205.3, 48.2%, 77.3%

CMYK

48.2%, 20.3%, 0.0%, 22.7%

OKLCH

0.6734 0.0832 241.1

Properties

Cool Light Nearest: skyblue 3

Color Harmonies

Complementary

#669DC5

#C58E66

Analogous

#66C5BD

#666DC5

#669DC5

Triadic

#669DC5

#C5669D

#9DC566

Split Complementary

#669DC5

#C5666D

#C5BD66

Tetradic

#669DC5

#BD66C5

#C58E66

#6DC566

Color Blindness Simulation

Original

#669DC5

Protanopia

#7E7EBB

Deuteranopia

#7B76B9

Tritanopia

#69B4B2

Achromatopsia

#949494

CSS Usage

background-color: #669DC5;
color: #669DC5;
border-color: #669DC5;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F4F8FA
100
#E6EEF4
200
#CBDEEB
300
#A6C6DD
400
#76A7CB
500
#4688B9
600
#386D94
700
#2D5776
800
#23445C
900
#1D3444
950
#12212B

Contrast Checker

Text on white

2.92:1

AA Fail AAA Fail

Text on black

7.19:1

AA Pass AAA Pass

Related Articles

Tutorials

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

1월 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1월 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1월 15, 2026