#011B28

#011B28

Color Values

HEX

#011B28

RGB

1, 27, 40

HSL

200.0, 95.1%, 8.0%

HSV

200.0, 97.5%, 15.7%

CMYK

97.5%, 32.5%, 0.0%, 84.3%

OKLCH

0.2093 0.0416 233.1

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#011B28

#280E01

Analogous

#012821

#010728

#011B28

Triadic

#011B28

#28011B

#1B2801

Split Complementary

#011B28

#280107

#282101

Tetradic

#011B28

#210128

#280E01

#072801

Color Blindness Simulation

Original

#011B28

Protanopia

#0C0C25

Deuteranopia

#0B0924

Tritanopia

#022222

Achromatopsia

#161616

CSS Usage

background-color: #011B28;
color: #011B28;
border-color: #011B28;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F1F9FE
100
#DFF2FC
200
#B9E7FD
300
#88D5FC
400
#47BFFA
500
#06A8F9
600
#0586C7
700
#046B9F
800
#03547C
900
#073E5A
950
#042739

Contrast Checker

Text on white

17.67:1

AA Pass AAA Pass

Text on black

1.19:1

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