#121713

#121713

Color Values

HEX

#121713

RGB

18, 23, 19

HSL

132.0, 12.2%, 8.0%

HSV

132.0, 21.7%, 9.0%

CMYK

21.7%, 0.0%, 17.4%, 91.0%

OKLCH

0.1978 0.011 151.1

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#121713

#171216

Analogous

#131712

#121715

#121713

Triadic

#121713

#131217

#171312

Split Complementary

#121713

#151217

#171213

Tetradic

#121713

#121317

#171216

#171512

Color Blindness Simulation

Original

#121713

Protanopia

#141414

Deuteranopia

#141414

Tritanopia

#121515

Achromatopsia

#161616

CSS Usage

background-color: #121713;
color: #121713;
border-color: #121713;
Nearest Tailwind: Neutral 900 #171717

Tailwind Shades

50
#F7F8F7
100
#EBEFEC
200
#D7E0D9
300
#BAC9BD
400
#95AC9A
500
#708F76
600
#5A725F
700
#485C4C
800
#38483B
900
#2B362D
950
#1B221D

Contrast Checker

Text on white

18.14:1

AA Pass AAA Pass

Text on black

1.16:1

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