#1F021F

#1F021F

Color Values

HEX

#1F021F

RGB

31, 2, 31

HSL

300,0, 87,9%, 6,5%

HSV

300,0, 93,5%, 12,2%

CMYK

0,0%, 93,5%, 0,0%, 87,8%

OKLCH

0,1725 0,071 328,1

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#1F021F

#021F02

Analogous

#11021F

#1F0211

#1F021F

Triadic

#1F021F

#1F1F02

#021F1F

Split Complementary

#1F021F

#111F02

#021F11

Tetradic

#1F021F

#1F1102

#021F02

#02111F

Color Blindness Simulation

Original

#1F021F

Protanopia

#121218

Deuteranopia

#141616

Tritanopia

#1E1211

Achromatopsia

#0A0A0A

CSS Usage

background-color: #1F021F;
color: #1F021F;
border-color: #1F021F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#FDF2FD
100
#FAE0FA
200
#FBBCFB
300
#F88CF8
400
#F44EF4
500
#F00FF0
600
#C00CC0
700
#990A99
800
#780878
900
#570A57
950
#370637

Contrast Checker

Text on white

19,32:1

AA Pass AAA Pass

Text on black

1,09:1

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