#287ABF

#287ABF

Color Values

HEX

#287ABF

RGB

40, 122, 191

HSL

207.4, 65.4%, 45.3%

HSV

207.4, 79.1%, 74.9%

CMYK

79.1%, 36.1%, 0.0%, 25.1%

OKLCH

0.5649 0.1318 248.3

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#287ABF

#BF6D28

Analogous

#28BFB9

#282FBF

#287ABF

Triadic

#287ABF

#BF287A

#7ABF28

Split Complementary

#287ABF

#BF282F

#BFB928

Tetradic

#287ABF

#B928BF

#BF6D28

#2FBF28

Color Blindness Simulation

Original

#287ABF

Protanopia

#4C4CAE

Deuteranopia

#4741AA

Tritanopia

#2CA19E

Achromatopsia

#6E6E6E

CSS Usage

background-color: #287ABF;
color: #287ABF;
border-color: #287ABF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FC
100
#E3EEF7
200
#C4DDF3
300
#9AC5EA
400
#63A6DE
500
#2C87D3
600
#236CA9
700
#1C5687
800
#164369
900
#14334D
950
#0D2031

Contrast Checker

Text on white

4.54:1

AA Pass AAA Fail

Text on black

4.63:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026