#288399

#288399

Color Values

HEX

#288399

RGB

40, 131, 153

HSL

191.7, 58.5%, 37.8%

HSV

191.7, 73.9%, 60.0%

CMYK

73.9%, 14.4%, 0.0%, 40.0%

OKLCH

0.5672 0.0889 217.6

Properties

Cool Light Nearest: NCS S 1060-B30G Teal

Color Harmonies

Complementary

#288399

#993E28

Analogous

#289976

#284A99

#288399

Triadic

#288399

#992883

#839928

Split Complementary

#288399

#99284A

#997628

Tetradic

#288399

#762899

#993E28

#4A9928

Color Blindness Simulation

Original

#288399

Protanopia

#4F5094

Deuteranopia

#4A4392

Tritanopia

#2D8F8F

Achromatopsia

#717171

CSS Usage

background-color: #288399;
color: #288399;
border-color: #288399;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E4F3F6
200
#C6E8F0
300
#9ED8E6
400
#69C2D8
500
#35ADCA
600
#2A8AA2
700
#226F81
800
#1A5665
900
#17404A
950
#0E282F

Contrast Checker

Text on white

4.38:1

AA Fail AAA Fail

Text on black

4.8:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026