#288699

#288699

Color Values

HEX

#288699

RGB

40, 134, 153

HSL

190.1, 58.5%, 37.8%

HSV

190.1, 73.9%, 60.0%

CMYK

73.9%, 12.4%, 0.0%, 40.0%

OKLCH

0.5748 0.089 214.3

Properties

Cool Light Nearest: NCS S 1060-B30G Teal

Color Harmonies

Complementary

#288699

#993B28

Analogous

#289973

#284D99

#288699

Triadic

#288699

#992886

#869928

Split Complementary

#288699

#99284D

#997328

Tetradic

#288699

#732899

#993B28

#4D9928

Color Blindness Simulation

Original

#288699

Protanopia

#515294

Deuteranopia

#4B4493

Tritanopia

#2D9190

Achromatopsia

#737373

CSS Usage

background-color: #288699;
color: #288699;
border-color: #288699;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F4FAFB
100
#E4F3F6
200
#C6E9F0
300
#9EDAE6
400
#69C5D8
500
#35B1CA
600
#2A8EA2
700
#227181
800
#1A5865
900
#17414A
950
#0E292F

Contrast Checker

Text on white

4.23:1

AA Fail AAA Fail

Text on black

4.96:1

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