#1F191F

#1F191F

Color Values

HEX

#1F191F

RGB

31, 25, 31

HSL

300.0, 10.7%, 11.0%

HSV

300.0, 19.4%, 12.2%

CMYK

0.0%, 19.4%, 0.0%, 87.8%

OKLCH

0.2231 0.0146 326.1

Properties

Warm Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#1F191F

#191F19

Analogous

#1C191F

#1F191C

#1F191F

Triadic

#1F191F

#1F1F19

#191F1F

Split Complementary

#1F191F

#1C1F19

#191F1C

Tetradic

#1F191F

#1F1C19

#191F19

#191C1F

Color Blindness Simulation

Original

#1F191F

Protanopia

#1C1C1E

Deuteranopia

#1D1D1D

Tritanopia

#1F1C1C

Achromatopsia

#1B1B1B

CSS Usage

background-color: #1F191F;
color: #1F191F;
border-color: #1F191F;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F8F7F8
100
#EFECEF
200
#DFD7DF
300
#C8BBC8
400
#AB97AB
500
#8D728D
600
#715B71
700
#5A495A
800
#473947
900
#352C35
950
#221C22

Contrast Checker

Text on white

17.25:1

AA Pass AAA Pass

Text on black

1.22:1

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