#1B0401

#1B0401

Color Values

HEX

#1B0401

RGB

27, 4, 1

HSL

6.9, 92.9%, 5.5%

HSV

6.9, 96.3%, 10.6%

CMYK

0.0%, 85.2%, 96.3%, 89.4%

OKLCH

0.1527 0.0456 36.3

Properties

Warm Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#1B0401

#01181B

Analogous

#1B010B

#1B1101

#1B0401

Triadic

#1B0401

#011B04

#04011B

Split Complementary

#1B0401

#011B11

#010B1B

Tetradic

#1B0401

#0B1B01

#01181B

#11011B

Color Blindness Simulation

Original

#1B0401

Protanopia

#111102

Deuteranopia

#121402

Tritanopia

#1A0202

Achromatopsia

#090909

CSS Usage

background-color: #1B0401;
color: #1B0401;
border-color: #1B0401;
Nearest Tailwind: Stone 950 #0C0A09

Tailwind Shades

50
#FDF3F1
100
#FBE2DF
200
#FCC2BA
300
#FB9689
400
#F85D49
500
#F62409
600
#C51D07
700
#9D1706
800
#7B1205
900
#591108
950
#380B05

Contrast Checker

Text on white

19.73:1

AA Pass AAA Pass

Text on black

1.06:1

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