#281040

#281040

Color Values

HEX

#281040

RGB

40, 16, 64

HSL

270.0, 60.0%, 15.7%

HSV

270.0, 75.0%, 25.1%

CMYK

37.5%, 75.0%, 0.0%, 74.9%

OKLCH

0.2387 0.0877 303.3

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#281040

#284010

Analogous

#101040

#401040

#281040

Triadic

#281040

#402810

#104028

Split Complementary

#281040

#404010

#104010

Tetradic

#281040

#401010

#284010

#104040

Color Blindness Simulation

Original

#281040

Protanopia

#1E1D34

Deuteranopia

#1F2132

Tritanopia

#272B29

Achromatopsia

#191919

CSS Usage

background-color: #281040;
color: #281040;
border-color: #281040;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F3FB
100
#EDE4F6
200
#DBC6F1
300
#C29DE7
400
#A168D9
500
#8033CC
600
#6629A3
700
#522183
800
#401A66
900
#30164B
950
#1F0E2F

Contrast Checker

Text on white

16.96:1

AA Pass AAA Pass

Text on black

1.24:1

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