#281DBA

#281DBA

Color Values

HEX

#281DBA

RGB

40, 29, 186

HSL

244.2, 73.0%, 42.2%

HSV

244.2, 84.4%, 72.9%

CMYK

78.5%, 84.4%, 0.0%, 27.1%

OKLCH

0.3896 0.2256 271.7

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#281DBA

#AFBA1D

Analogous

#1D61BA

#771DBA

#281DBA

Triadic

#281DBA

#BA281D

#1DBA28

Split Complementary

#281DBA

#BA771D

#61BA1D

Tetradic

#281DBA

#BA1D61

#AFBA1D

#1DBA77

Color Blindness Simulation

Original

#281DBA

Protanopia

#232394

Deuteranopia

#24258B

Tritanopia

#27766F

Achromatopsia

#2B2B2B

CSS Usage

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

Tailwind Shades

50
#F3F3FC
100
#E4E2F8
200
#C5C1F5
300
#9B95EE
400
#655CE6
500
#2F22DD
600
#261CB0
700
#1E168D
800
#18116E
900
#151150
950
#0D0A33

Contrast Checker

Text on white

10.63:1

AA Pass AAA Pass

Text on black

1.98:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2월 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2월 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2월 19, 2026