#291B39

#291B39

Color Values

HEX

#291B39

RGB

41, 27, 57

HSL

268.0, 35.7%, 16.5%

HSV

268.0, 52.6%, 22.4%

CMYK

28.1%, 52.6%, 0.0%, 77.6%

OKLCH

0.2552 0.0573 304.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#291B39

#2B391B

Analogous

#1B1C39

#381B39

#291B39

Triadic

#291B39

#39291B

#1B3929

Split Complementary

#291B39

#39381B

#1C391B

Tetradic

#291B39

#391B1C

#2B391B

#1B3938

Color Blindness Simulation

Original

#291B39

Protanopia

#232332

Deuteranopia

#242530

Tritanopia

#282C2B

Achromatopsia

#202020

CSS Usage

background-color: #291B39;
color: #291B39;
border-color: #291B39;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F5FA
100
#EDE8F3
200
#DACFE8
300
#C0ACD8
400
#9E7FC2
500
#7C52AD
600
#64428A
700
#50346F
800
#3E2957
900
#2F2140
950
#1E1528

Contrast Checker

Text on white

16.03:1

AA Pass AAA Pass

Text on black

1.31:1

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