#81B4EC

#81B4EC

Color Values

HEX

#81B4EC

RGB

129, 180, 236

HSL

211.4, 73.8%, 71.6%

HSV

211.4, 45.3%, 92.5%

CMYK

45.3%, 23.7%, 0.0%, 7.5%

OKLCH

0.7556 0.0976 251.4

Properties

Cool Light Nearest: skyblue 2

Color Harmonies

Complementary

#81B4EC

#ECB981

Analogous

#81EAEC

#8481EC

#81B4EC

Triadic

#81B4EC

#EC81B4

#B4EC81

Split Complementary

#81B4EC

#EC8481

#EAEC81

Tetradic

#81B4EC

#EC81EA

#ECB981

#81EC84

Color Blindness Simulation

Original

#81B4EC

Protanopia

#9798DE

Deuteranopia

#9490DB

Tritanopia

#84D4D1

Achromatopsia

#ADADAD

CSS Usage

background-color: #81B4EC;
color: #81B4EC;
border-color: #81B4EC;
Nearest Tailwind: Blue 300 #93C5FD

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C1DAF6
300
#95C0EF
400
#5B9DE6
500
#217BDE
600
#1B62B1
700
#154F8E
800
#113E6F
900
#102F51
950
#0A1E33

Contrast Checker

Text on white

2.17:1

AA Fail AAA Fail

Text on black

9.67:1

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