#51DFF2

#51DFF2

Color Values

HEX

#51DFF2

RGB

81, 223, 242

HSL

187.1, 86.1%, 63.3%

HSV

187.1, 66.5%, 94.9%

CMYK

66.5%, 7.9%, 0.0%, 5.1%

OKLCH

0.8354 0.1219 207.7

Properties

Cool Light Nearest: Sky Blue

Color Harmonies

Complementary

#51DFF2

#F26451

Analogous

#51F2B4

#518EF2

#51DFF2

Triadic

#51DFF2

#F251DF

#DFF251

Split Complementary

#51DFF2

#F2518E

#F2B451

Tetradic

#51DFF2

#B451F2

#F26451

#8EF251

Color Blindness Simulation

Original

#51DFF2

Protanopia

#8F90ED

Deuteranopia

#867CEC

Tritanopia

#58EAE9

Achromatopsia

#C2C2C2

CSS Usage

background-color: #51DFF2;
color: #51DFF2;
border-color: #51DFF2;
Nearest Tailwind: Cyan 300 #67E8F9

Tailwind Shades

50
#F2FCFD
100
#E0F7FA
200
#BDF3FA
300
#8DEAF6
400
#4FDFF2
500
#12D3ED
600
#0EA9BE
700
#0B8798
800
#096A77
900
#0B4D56
950
#073136

Contrast Checker

Text on white

1.59:1

AA Fail AAA Fail

Text on black

13.19:1

AA Pass AAA Pass

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026