#28227B

#28227B

Color Values

HEX

#28227B

RGB

40, 34, 123

HSL

244.0, 56.7%, 30.8%

HSV

244.0, 72.4%, 48.2%

CMYK

67.5%, 72.4%, 0.0%, 51.8%

OKLCH

0.3251 0.1443 277.7

Properties

Cool Dark Nearest: midnightblue

Color Harmonies

Complementary

#28227B

#757B22

Analogous

#22497B

#54227B

#28227B

Triadic

#28227B

#7B2822

#227B28

Split Complementary

#28227B

#7B5422

#497B22

Tetradic

#28227B

#7B2249

#757B22

#227B54

Color Blindness Simulation

Original

#28227B

Protanopia

#252565

Deuteranopia

#262660

Tritanopia

#285451

Achromatopsia

#2A2A2A

CSS Usage

background-color: #28227B;
color: #28227B;
border-color: #28227B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E5F6
200
#CAC7F0
300
#A49FE5
400
#726BD6
500
#4137C8
600
#342CA0
700
#2A2380
800
#201C64
900
#1B1849
950
#110F2E

Contrast Checker

Text on white

13.08:1

AA Pass AAA Pass

Text on black

1.61:1

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