#818AF1

#818AF1

Color Values

HEX

#818AF1

RGB

129, 138, 241

HSL

235.2, 80.0%, 72.5%

HSV

235.2, 46.5%, 94.5%

CMYK

46.5%, 42.7%, 0.0%, 5.5%

OKLCH

0.6723 0.1513 277.7

Properties

Cool Light Nearest: Indigo

Color Harmonies

Complementary

#818AF1

#F1E881

Analogous

#81C2F1

#B081F1

#818AF1

Triadic

#818AF1

#F1818A

#8AF181

Split Complementary

#818AF1

#F1B081

#C2F181

Tetradic

#818AF1

#F181C2

#F1E881

#81F1B0

Color Blindness Simulation

Original

#818AF1

Protanopia

#8585D8

Deuteranopia

#8484D2

Tritanopia

#81C4C0

Achromatopsia

#909090

CSS Usage

background-color: #818AF1;
color: #818AF1;
border-color: #818AF1;
Nearest Tailwind: Indigo 400 #818CF8

Tailwind Shades

50
#F2F3FD
100
#E1E3F9
200
#BFC3F8
300
#9199F3
400
#5561EC
500
#192AE6
600
#1421B8
700
#101B93
800
#0D1573
900
#0E1353
950
#090C35

Contrast Checker

Text on white

3.07:1

AA Fail AAA Fail

Text on black

6.84:1

AA Pass AAA Fail

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