#28073D

#28073D

Color Values

HEX

#28073D

RGB

40, 7, 61

HSL

276.7, 79.4%, 13.3%

HSV

276.7, 88.5%, 23.9%

CMYK

34.4%, 88.5%, 0.0%, 76.1%

OKLCH

0.2235 0.0972 308.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#28073D

#1C3D07

Analogous

#0D073D

#3D0737

#28073D

Triadic

#28073D

#3D2807

#073D28

Split Complementary

#28073D

#373D07

#073D0D

Tetradic

#28073D

#3D0D07

#1C3D07

#07373D

Color Blindness Simulation

Original

#28073D

Protanopia

#1A1930

Deuteranopia

#1C1E2D

Tritanopia

#262623

Achromatopsia

#121212

CSS Usage

background-color: #28073D;
color: #28073D;
border-color: #28073D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F9F2FD
100
#F0E1F9
200
#E2BFF8
300
#CD91F2
400
#B156EC
500
#961AE5
600
#7815B7
700
#601192
800
#4B0D72
900
#380E53
950
#230934

Contrast Checker

Text on white

17.68:1

AA Pass AAA Pass

Text on black

1.19:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026