#312828

#312828

Color Values

HEX

#312828

RGB

49, 40, 40

HSL

0.0, 10.1%, 17.5%

HSV

0.0, 18.4%, 19.2%

CMYK

0.0%, 18.4%, 18.4%, 80.8%

OKLCH

0.287 0.0135 18.0

Properties

Warm Dark Nearest: RAL 7022 Umbra Grey

Color Harmonies

Complementary

#312828

#283131

Analogous

#31282D

#312D28

#312828

Triadic

#312828

#283128

#282831

Split Complementary

#312828

#28312D

#282D31

Tetradic

#312828

#2D3128

#283131

#2D2831

Color Blindness Simulation

Original

#312828

Protanopia

#2D2D28

Deuteranopia

#2E2E28

Tritanopia

#312828

Achromatopsia

#2A2A2A

CSS Usage

background-color: #312828;
color: #312828;
border-color: #312828;
Nearest Tailwind: Stone 800 #292524

Tailwind Shades

50
#F8F7F7
100
#EFECEC
200
#DFD8D8
300
#C8BCBC
400
#AA9797
500
#8C7373
600
#705C5C
700
#5A4949
800
#463939
900
#352C2C
950
#211C1C

Contrast Checker

Text on white

14.34:1

AA Pass AAA Pass

Text on black

1.46:1

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