#288BAD

#288BAD

Color Values

HEX

#288BAD

RGB

40, 139, 173

HSL

195.3, 62.4%, 41.8%

HSV

195.3, 76.9%, 67.8%

CMYK

76.9%, 19.7%, 0.0%, 32.2%

OKLCH

0.5962 0.1013 225.9

Properties

Cool Light Nearest: Blue Green

Color Harmonies

Complementary

#288BAD

#AD4A28

Analogous

#28AD8D

#2849AD

#288BAD

Triadic

#288BAD

#AD288B

#8BAD28

Split Complementary

#288BAD

#AD2849

#AD8D28

Tetradic

#288BAD

#8D28AD

#AD4A28

#49AD28

Color Blindness Simulation

Original

#288BAD

Protanopia

#5354A5

Deuteranopia

#4D46A3

Tritanopia

#2D9E9D

Achromatopsia

#787878

CSS Usage

background-color: #288BAD;
color: #288BAD;
border-color: #288BAD;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F3F9FB
100
#E4F2F7
200
#C5E6F2
300
#9CD5E8
400
#66BDDC
500
#30A6CF
600
#2685A6
700
#1F6B85
800
#185368
900
#153E4C
950
#0D2730

Contrast Checker

Text on white

3.9:1

AA Fail AAA Fail

Text on black

5.39:1

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