#290831

#290831

Color Values

HEX

#290831

RGB

41, 8, 49

HSL

288.3, 71.9%, 11.2%

HSV

288.3, 83.7%, 19.2%

CMYK

16.3%, 83.7%, 0.0%, 80.8%

OKLCH

0.216 0.0825 319.1

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#290831

#103108

Analogous

#150831

#310825

#290831

Triadic

#290831

#312908

#083129

Split Complementary

#290831

#253108

#083115

Tetradic

#290831

#311508

#103108

#082531

Color Blindness Simulation

Original

#290831

Protanopia

#1B1A27

Deuteranopia

#1D1F25

Tritanopia

#271F1E

Achromatopsia

#121212

CSS Usage

background-color: #290831;
color: #290831;
border-color: #290831;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF3FC
100
#F4E2F8
200
#EBC2F5
300
#DD96EE
400
#CA5DE4
500
#B724DB
600
#931DAF
700
#75178C
800
#5C126E
900
#441150
950
#2B0B32

Contrast Checker

Text on white

17.9:1

AA Pass AAA Pass

Text on black

1.17:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026