#2B81CC

#2B81CC

Color Values

HEX

#2B81CC

RGB

43, 129, 204

HSL

208.0, 65.2%, 48.4%

HSV

208.0, 78.9%, 80.0%

CMYK

78.9%, 36.8%, 0.0%, 20.0%

OKLCH

0.5895 0.1401 249.2

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#2B81CC

#CC762B

Analogous

#2BCCC7

#2B30CC

#2B81CC

Triadic

#2B81CC

#CC2B81

#81CC2B

Split Complementary

#2B81CC

#CC2B30

#CCC72B

Tetradic

#2B81CC

#C72BCC

#CC762B

#30CC2B

Color Blindness Simulation

Original

#2B81CC

Protanopia

#5051BA

Deuteranopia

#4B45B5

Tritanopia

#2FACA8

Achromatopsia

#747474

CSS Usage

background-color: #2B81CC;
color: #2B81CC;
border-color: #2B81CC;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F8FC
100
#E3EEF7
200
#C4DDF3
300
#9AC4EA
400
#63A5DE
500
#2C85D3
600
#236AA9
700
#1C5587
800
#164369
900
#14324D
950
#0D2031

Contrast Checker

Text on white

4.11:1

AA Fail AAA Fail

Text on black

5.11:1

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