#281844

#281844

Color Values

HEX

#281844

RGB

40, 24, 68

HSL

261.8, 47.8%, 18.0%

HSV

261.8, 64.7%, 26.7%

CMYK

41.2%, 64.7%, 0.0%, 73.3%

OKLCH

0.2561 0.0798 297.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#281844

#344418

Analogous

#181E44

#3E1844

#281844

Triadic

#281844

#442818

#184428

Split Complementary

#281844

#443E18

#1E4418

Tetradic

#281844

#44181E

#344418

#18443E

Color Blindness Simulation

Original

#281844

Protanopia

#212139

Deuteranopia

#222337

Tritanopia

#27312F

Achromatopsia

#1F1F1F

CSS Usage

background-color: #281844;
color: #281844;
border-color: #281844;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F7F4FA
100
#EBE6F4
200
#D7CAEC
300
#BAA5DF
400
#9474CE
500
#6F43BC
600
#593597
700
#472B79
800
#37215E
900
#2B1C45
950
#1B112C

Contrast Checker

Text on white

16.1:1

AA Pass AAA Pass

Text on black

1.3:1

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