#669DD6

#669DD6

Color Values

HEX

#669DD6

RGB

102, 157, 214

HSL

210.5, 57.7%, 62.0%

HSV

210.5, 52.3%, 83.9%

CMYK

52.3%, 26.6%, 0.0%, 16.1%

OKLCH

0.6811 0.1029 250.4

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#669DD6

#D69F66

Analogous

#66D5D6

#6766D6

#669DD6

Triadic

#669DD6

#D6669D

#9DD666

Split Complementary

#669DD6

#D66766

#D5D666

Tetradic

#669DD6

#D666D5

#D69F66

#66D667

Color Blindness Simulation

Original

#669DD6

Protanopia

#7E7EC8

Deuteranopia

#7B76C5

Tritanopia

#69BDBB

Achromatopsia

#959595

CSS Usage

background-color: #669DD6;
color: #669DD6;
border-color: #669DD6;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F7FB
100
#E4EDF6
200
#C7DBF0
300
#9EC1E5
400
#6AA0D7
500
#367EC9
600
#2B65A1
700
#235181
800
#1B3F65
900
#17304A
950
#0F1E2E

Contrast Checker

Text on white

2.85:1

AA Fail AAA Fail

Text on black

7.36:1

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