#1F2129

#1F2129

Color Values

HEX

#1F2129

RGB

31, 33, 41

HSL

228.0, 13.9%, 14.1%

HSV

228.0, 24.4%, 16.1%

CMYK

24.4%, 19.5%, 0.0%, 83.9%

OKLCH

0.2492 0.0154 274.2

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#1F2129

#29271F

Analogous

#1F2629

#221F29

#1F2129

Triadic

#1F2129

#291F21

#21291F

Split Complementary

#1F2129

#29221F

#26291F

Tetradic

#1F2129

#291F26

#29271F

#1F2922

Color Blindness Simulation

Original

#1F2129

Protanopia

#202027

Deuteranopia

#202027

Tritanopia

#1F2625

Achromatopsia

#212121

CSS Usage

background-color: #1F2129;
color: #1F2129;
border-color: #1F2129;
Nearest Tailwind: Zinc 800 #27272A

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D8E0
300
#B9BDCA
400
#9499AE
500
#6E7591
600
#585D74
700
#464B5D
800
#373A49
900
#2A2D37
950
#1B1C22

Contrast Checker

Text on white

16.06:1

AA Pass AAA Pass

Text on black

1.31:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026