#001311

#001311

Color Values

HEX

#001311

RGB

0, 19, 17

HSL

173.7, 100.0%, 3.7%

HSV

173.7, 100.0%, 7.5%

CMYK

100.0%, 0.0%, 10.5%, 92.5%

OKLCH

0.1681 0.0294 186.6

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#001311

#130002

Analogous

#001307

#000B13

#001311

Triadic

#001311

#110013

#131100

Split Complementary

#001311

#13000B

#130700

Tetradic

#001311

#070013

#130002

#0B1300

Color Blindness Simulation

Original

#001311

Protanopia

#080811

Deuteranopia

#070612

Tritanopia

#011212

Achromatopsia

#0F0F0F

CSS Usage

background-color: #001311;
color: #001311;
border-color: #001311;
Nearest Tailwind: Neutral 950 #0A0A0A

Tailwind Shades

50
#F1FEFC
100
#DEFCF9
200
#B8FFF8
300
#85FFF2
400
#42FFEB
500
#00FFE4
600
#00CCB7
700
#00A392
800
#008072
900
#055C53
950
#033A34

Contrast Checker

Text on white

19.07:1

AA Pass AAA Pass

Text on black

1.1:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026