#121D22

#121D22

Color Values

HEX

#121D22

RGB

18, 29, 34

HSL

198.8, 30.8%, 10.2%

HSV

198.8, 47.1%, 13.3%

CMYK

47.1%, 14.7%, 0.0%, 86.7%

OKLCH

0.2226 0.0185 227.8

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#121D22

#221712

Analogous

#12221F

#121522

#121D22

Triadic

#121D22

#22121D

#1D2212

Split Complementary

#121D22

#221215

#221F12

Tetradic

#121D22

#1F1222

#221712

#152212

Color Blindness Simulation

Original

#121D22

Protanopia

#171721

Deuteranopia

#161520

Tritanopia

#132020

Achromatopsia

#1B1B1B

CSS Usage

background-color: #121D22;
color: #121D22;
border-color: #121D22;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F5F8F9
100
#E8EFF2
200
#D0DFE6
300
#AFC9D5
400
#84ABBE
500
#588EA7
600
#477285
700
#385B6B
800
#2C4753
900
#23353E
950
#162227

Contrast Checker

Text on white

17.15:1

AA Pass AAA Pass

Text on black

1.22:1

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