#280F49

#280F49

Color Values

HEX

#280F49

RGB

40, 15, 73

HSL

265.9, 65.9%, 17.3%

HSV

265.9, 79.5%, 28.6%

CMYK

45.2%, 79.5%, 0.0%, 71.4%

OKLCH

0.2454 0.1011 298.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#280F49

#30490F

Analogous

#0F1349

#450F49

#280F49

Triadic

#280F49

#49280F

#0F4928

Split Complementary

#280F49

#49450F

#13490F

Tetradic

#280F49

#490F13

#30490F

#0F4945

Color Blindness Simulation

Original

#280F49

Protanopia

#1D1D3B

Deuteranopia

#1F2038

Tritanopia

#27302D

Achromatopsia

#191919

CSS Usage

background-color: #280F49;
color: #280F49;
border-color: #280F49;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F3FC
100
#ECE3F7
200
#D8C4F3
300
#BC99EA
400
#9862DF
500
#742BD4
600
#5D23A9
700
#4A1C87
800
#3A166A
900
#2D144D
950
#1C0C31

Contrast Checker

Text on white

16.74:1

AA Pass AAA Pass

Text on black

1.25:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026