#010B1B

#010B1B

Color Values

HEX

#010B1B

RGB

1, 11, 27

HSL

216.9, 92.9%, 5.5%

HSV

216.9, 96.3%, 10.6%

CMYK

96.3%, 59.3%, 0.0%, 89.4%

OKLCH

0.1484 0.0401 252.8

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#010B1B

#1B1101

Analogous

#01181B

#04011B

#010B1B

Triadic

#010B1B

#1B010B

#0B1B01

Split Complementary

#010B1B

#1B0401

#181B01

Tetradic

#010B1B

#1B0118

#1B1101

#011B04

Color Blindness Simulation

Original

#010B1B

Protanopia

#050517

Deuteranopia

#050416

Tritanopia

#021413

Achromatopsia

#0A0A0A

CSS Usage

background-color: #010B1B;
color: #010B1B;
border-color: #010B1B;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD4FC
300
#89B5FB
400
#498CF8
500
#0964F6
600
#0750C5
700
#06409D
800
#05327B
900
#082759
950
#051938

Contrast Checker

Text on white

19.72:1

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