#2D81D5

#2D81D5

Color Values

HEX

#2D81D5

RGB

45, 129, 213

HSL

210.0, 66.7%, 50.6%

HSV

210.0, 78.9%, 83.5%

CMYK

78.9%, 39.4%, 0.0%, 16.5%

OKLCH

0.5954 0.1508 252.0

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#2D81D5

#D5812D

Analogous

#2DD5D5

#2D2DD5

#2D81D5

Triadic

#2D81D5

#D52D81

#81D52D

Split Complementary

#2D81D5

#D52D2D

#D5D52D

Tetradic

#2D81D5

#D52DD5

#D5812D

#2DD52D

Color Blindness Simulation

Original

#2D81D5

Protanopia

#5152C1

Deuteranopia

#4C46BC

Tritanopia

#31B1AD

Achromatopsia

#757575

CSS Usage

background-color: #2D81D5;
color: #2D81D5;
border-color: #2D81D5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DBF3
300
#99C2EB
400
#62A1E0
500
#2A80D5
600
#2266AA
700
#1B5288
800
#15406A
900
#13304E
950
#0C1F31

Contrast Checker

Text on white

4.03:1

AA Fail AAA Fail

Text on black

5.21:1

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