#4280CF

#4280CF

Color Values

HEX

#4280CF

RGB

66, 128, 207

HSL

213,6, 59,5%, 53,5%

HSV

213,6, 68,1%, 81,2%

CMYK

68,1%, 38,2%, 0,0%, 18,8%

OKLCH

0,5966 0,1372 255,6

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4280CF

#CF9142

Analogous

#42C7CF

#4A42CF

#4280CF

Triadic

#4280CF

#CF4280

#80CF42

Split Complementary

#4280CF

#CF4A42

#C7CF42

Tetradic

#4280CF

#CF42C7

#CF9142

#42CF4A

Color Blindness Simulation

Original

#4280CF

Protanopia

#5D5DBC

Deuteranopia

#5955B7

Tritanopia

#45ADA9

Achromatopsia

#797979

CSS Usage

background-color: #4280CF;
color: #4280CF;
border-color: #4280CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4ECF6
200
#C6D9F1
300
#9DBDE6
400
#699AD9
500
#3476CB
600
#295FA3
700
#214C82
800
#1A3B66
900
#172D4A
950
#0E1D2F

Contrast Checker

Text on white

4,02:1

AA Fail AAA Fail

Text on black

5,22:1

AA Pass AAA Fail

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