#1D181F

#1D181F

Color Values

HEX

#1D181F

RGB

29, 24, 31

HSL

282.9, 12.7%, 10.8%

HSV

282.9, 22.6%, 12.2%

CMYK

6.5%, 22.6%, 0.0%, 87.8%

OKLCH

0.218 0.0154 316.3

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#1D181F

#1A1F18

Analogous

#1A181F

#1F181E

#1D181F

Triadic

#1D181F

#1F1D18

#181F1D

Split Complementary

#1D181F

#1E1F18

#181F1A

Tetradic

#1D181F

#1F1A18

#1A1F18

#181E1F

Color Blindness Simulation

Original

#1D181F

Protanopia

#1B1B1D

Deuteranopia

#1B1B1D

Tritanopia

#1D1C1C

Achromatopsia

#1A1A1A

CSS Usage

background-color: #1D181F;
color: #1D181F;
border-color: #1D181F;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F8F7F8
100
#EEEBEF
200
#DDD7E0
300
#C5BACA
400
#A695AD
500
#866F90
600
#6C5973
700
#56475C
800
#433848
900
#332B36
950
#201B22

Contrast Checker

Text on white

17.46:1

AA Pass AAA Pass

Text on black

1.2:1

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