#669FD4

#669FD4

Color Values

HEX

#669FD4

RGB

102, 159, 212

HSL

208.9, 56.1%, 61.6%

HSV

208.9, 51.9%, 83.1%

CMYK

51.9%, 25.0%, 0.0%, 16.9%

OKLCH

0.6846 0.099 247.7

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#669FD4

#D49B66

Analogous

#66D4D2

#6668D4

#669FD4

Triadic

#669FD4

#D4669F

#9FD466

Split Complementary

#669FD4

#D46668

#D4D266

Tetradic

#669FD4

#D266D4

#D49B66

#68D466

Color Blindness Simulation

Original

#669FD4

Protanopia

#7F7FC7

Deuteranopia

#7B77C4

Tritanopia

#69BDBB

Achromatopsia

#979797

CSS Usage

background-color: #669FD4;
color: #669FD4;
border-color: #669FD4;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DCEF
300
#9FC3E4
400
#6CA3D6
500
#3882C7
600
#2D689F
700
#24537F
800
#1C4164
900
#183149
950
#0F1F2E

Contrast Checker

Text on white

2.81:1

AA Fail AAA Fail

Text on black

7.47:1

AA Pass AAA Pass

Related Articles

Tutorials

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

1月 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

1月 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

1月 15, 2026