#290B40

#290B40

Color Values

HEX

#290B40

RGB

41, 11, 64

HSL

274.0, 70.7%, 14.7%

HSV

274.0, 82.8%, 25.1%

CMYK

35.9%, 82.8%, 0.0%, 74.9%

OKLCH

0.233 0.0955 306.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#290B40

#22400B

Analogous

#0F0B40

#400B3C

#290B40

Triadic

#290B40

#40290B

#0B4029

Split Complementary

#290B40

#3C400B

#0B400F

Tetradic

#290B40

#400F0B

#22400B

#0B3C40

Color Blindness Simulation

Original

#290B40

Protanopia

#1C1C33

Deuteranopia

#1E2030

Tritanopia

#272927

Achromatopsia

#151515

CSS Usage

background-color: #290B40;
color: #290B40;
border-color: #290B40;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F3FC
100
#EFE2F8
200
#DFC2F5
300
#C897ED
400
#AA5EE3
500
#8C25DA
600
#701EAE
700
#59188B
800
#46136D
900
#35124F
950
#210B32

Contrast Checker

Text on white

17.27:1

AA Pass AAA Pass

Text on black

1.22:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026