#669DD7

#669DD7

Color Values

HEX

#669DD7

RGB

102, 157, 215

HSL

210.8, 58.5%, 62.2%

HSV

210.8, 52.6%, 84.3%

CMYK

52.6%, 27.0%, 0.0%, 15.7%

OKLCH

0.6816 0.1042 250.8

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#669DD7

#D7A066

Analogous

#66D5D7

#6866D7

#669DD7

Triadic

#669DD7

#D7669D

#9DD766

Split Complementary

#669DD7

#D76866

#D5D766

Tetradic

#669DD7

#D766D5

#D7A066

#66D768

Color Blindness Simulation

Original

#669DD7

Protanopia

#7E7EC9

Deuteranopia

#7B76C6

Tritanopia

#69BEBB

Achromatopsia

#959595

CSS Usage

background-color: #669DD7;
color: #669DD7;
border-color: #669DD7;
Nearest Tailwind: Sky 500 #0EA5E9

Tailwind Shades

50
#F4F7FB
100
#E4EDF6
200
#C6DBF0
300
#9EC1E6
400
#699FD8
500
#357ECA
600
#2A64A2
700
#225081
800
#1A3F65
900
#17304A
950
#0E1E2F

Contrast Checker

Text on white

2.85:1

AA Fail AAA Fail

Text on black

7.37:1

AA Pass AAA Pass

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026