#281EB5

#281EB5

Color Values

HEX

#281EB5

RGB

40, 30, 181

HSL

244.0, 71.6%, 41.4%

HSV

244.0, 83.4%, 71.0%

CMYK

77.9%, 83.4%, 0.0%, 29.0%

OKLCH

0.3847 0.2192 272.1

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#281EB5

#ABB51E

Analogous

#1E5FB5

#741EB5

#281EB5

Triadic

#281EB5

#B5281E

#1EB528

Split Complementary

#281EB5

#B5741E

#5FB51E

Tetradic

#281EB5

#B51E5F

#ABB51E

#1EB574

Color Blindness Simulation

Original

#281EB5

Protanopia

#242491

Deuteranopia

#242588

Tritanopia

#28746D

Achromatopsia

#2B2B2B

CSS Usage

background-color: #281EB5;
color: #281EB5;
border-color: #281EB5;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E4E2F8
200
#C5C2F5
300
#9C96EE
400
#665DE4
500
#3024DB
600
#271DAF
700
#1F178C
800
#18126D
900
#151150
950
#0E0B32

Contrast Checker

Text on white

10.81:1

AA Pass AAA Pass

Text on black

1.94:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026