#4284CF

#4284CF

Color Values

HEX

#4284CF

RGB

66, 132, 207

HSL

211,9, 59,5%, 53,5%

HSV

211,9, 68,1%, 81,2%

CMYK

68,1%, 36,2%, 0,0%, 18,8%

OKLCH

0,6055 0,1331 253,4

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4284CF

#CF8D42

Analogous

#42CBCF

#4642CF

#4284CF

Triadic

#4284CF

#CF4284

#84CF42

Split Complementary

#4284CF

#CF4642

#CBCF42

Tetradic

#4284CF

#CF42CB

#CF8D42

#42CF46

Color Blindness Simulation

Original

#4284CF

Protanopia

#5F5FBD

Deuteranopia

#5B56B8

Tritanopia

#45AFAB

Achromatopsia

#7B7B7B

CSS Usage

background-color: #4284CF;
color: #4284CF;
border-color: #4284CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF6
200
#C6DAF1
300
#9DBFE6
400
#699DD9
500
#347BCB
600
#2962A3
700
#214F82
800
#1A3D66
900
#172F4A
950
#0E1E2F

Contrast Checker

Text on white

3,87:1

AA Fail AAA Fail

Text on black

5,43:1

AA Pass AAA Fail

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