#28012C

#28012C

Color Values

HEX

#28012C

RGB

40, 1, 44

HSL

294.4, 95.6%, 8.8%

HSV

294.4, 97.7%, 17.3%

CMYK

9.1%, 97.7%, 0.0%, 82.7%

OKLCH

0.1993 0.0905 324.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#28012C

#052C01

Analogous

#12012C

#2C011A

#28012C

Triadic

#28012C

#2C2801

#012C28

Split Complementary

#28012C

#1A2C01

#012C12

Tetradic

#28012C

#2C1201

#052C01

#011A2C

Color Blindness Simulation

Original

#28012C

Protanopia

#171722

Deuteranopia

#191C1F

Tritanopia

#261918

Achromatopsia

#0C0C0C

CSS Usage

background-color: #28012C;
color: #28012C;
border-color: #28012C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FCF1FE
100
#F9DFFC
200
#F7B9FD
300
#F187FC
400
#EA46FB
500
#E306F9
600
#B504C8
700
#9104A0
800
#71037D
900
#52075A
950
#340439

Contrast Checker

Text on white

18.57:1

AA Pass AAA Pass

Text on black

1.13:1

AA Fail 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