#4279CF

#4279CF

Color Values

HEX

#4279CF

RGB

66, 121, 207

HSL

216.6, 59.5%, 53.5%

HSV

216.6, 68.1%, 81.2%

CMYK

68.1%, 41.5%, 0.0%, 18.8%

OKLCH

0.5812 0.1448 259.0

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#4279CF

#CF9842

Analogous

#42BFCF

#5142CF

#4279CF

Triadic

#4279CF

#CF4279

#79CF42

Split Complementary

#4279CF

#CF5142

#BFCF42

Tetradic

#4279CF

#CF42BF

#CF9842

#42CF51

Color Blindness Simulation

Original

#4279CF

Protanopia

#5A5ABA

Deuteranopia

#5752B5

Tritanopia

#45AAA6

Achromatopsia

#747474

CSS Usage

background-color: #4279CF;
color: #4279CF;
border-color: #4279CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F6FB
100
#E4EBF6
200
#C6D7F1
300
#9DBAE6
400
#6994D9
500
#346FCB
600
#2959A3
700
#214782
800
#1A3766
900
#172B4A
950
#0E1B2F

Contrast Checker

Text on white

4.31:1

AA Fail AAA Fail

Text on black

4.87:1

AA Pass AAA Fail

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