#011129

#011129

Color Values

HEX

#011129

RGB

1, 17, 41

HSL

216.0, 95.2%, 8.2%

HSV

216.0, 97.6%, 16.1%

CMYK

97.6%, 58.5%, 0.0%, 83.9%

OKLCH

0.1794 0.0553 255.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#011129

#291901

Analogous

#012529

#050129

#011129

Triadic

#011129

#290111

#112901

Split Complementary

#011129

#290501

#252901

Tetradic

#011129

#290125

#291901

#012905

Color Blindness Simulation

Original

#011129

Protanopia

#080823

Deuteranopia

#070622

Tritanopia

#021F1E

Achromatopsia

#0F0F0F

CSS Usage

background-color: #011129;
color: #011129;
border-color: #011129;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F6FE
100
#DFEAFC
200
#B9D5FD
300
#88B6FC
400
#478FFA
500
#0667F9
600
#0553C7
700
#04429F
800
#03347C
900
#07285A
950
#041939

Contrast Checker

Text on white

18.86:1

AA Pass AAA Pass

Text on black

1.11:1

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