#12191F

#12191F

Color Values

HEX

#12191F

RGB

18, 25, 31

HSL

207.7, 26.5%, 9.6%

HSV

207.7, 41.9%, 12.2%

CMYK

41.9%, 19.4%, 0.0%, 87.8%

OKLCH

0.2092 0.0159 244.5

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#12191F

#1F1812

Analogous

#121F1E

#12121F

#12191F

Triadic

#12191F

#1F1219

#191F12

Split Complementary

#12191F

#1F1212

#1F1E12

Tetradic

#12191F

#1E121F

#1F1812

#121F12

Color Blindness Simulation

Original

#12191F

Protanopia

#15151E

Deuteranopia

#15141D

Tritanopia

#121C1C

Achromatopsia

#181818

CSS Usage

background-color: #12191F;
color: #12191F;
border-color: #12191F;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DCE5
300
#B2C3D2
400
#88A3BA
500
#5E82A1
600
#4B6881
700
#3C5367
800
#2F4151
900
#25313C
950
#171F26

Contrast Checker

Text on white

17.73:1

AA Pass AAA Pass

Text on black

1.18:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026