#4287DB

#4287DB

Color Values

HEX

#4287DB

RGB

66, 135, 219

HSL

212,9, 68,0%, 55,9%

HSV

212,9, 69,9%, 85,9%

CMYK

69,9%, 38,4%, 0,0%, 14,1%

OKLCH

0,6191 0,1454 254,8

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#4287DB

#DB9642

Analogous

#42D4DB

#4942DB

#4287DB

Triadic

#4287DB

#DB4287

#87DB42

Split Complementary

#4287DB

#DB4942

#D4DB42

Tetradic

#4287DB

#DB42D4

#DB9642

#42DB49

Color Blindness Simulation

Original

#4287DB

Protanopia

#6060C7

Deuteranopia

#5C57C2

Tritanopia

#45B7B3

Achromatopsia

#7E7E7E

CSS Usage

background-color: #4287DB;
color: #4287DB;
border-color: #4287DB;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C3D9F4
300
#98BEEB
400
#609AE1
500
#2977D6
600
#215FAB
700
#1A4C89
800
#143C6B
900
#132E4E
950
#0C1D31

Contrast Checker

Text on white

3,67:1

AA Fail AAA Fail

Text on black

5,72:1

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