#151F24

#151F24

Color Values

HEX

#151F24

RGB

21, 31, 36

HSL

200,0, 26,3%, 11,2%

HSV

200,0, 41,7%, 14,1%

CMYK

41,7%, 13,9%, 0,0%, 85,9%

OKLCH

0,232 0,0173 230,0

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#151F24

#241A15

Analogous

#152422

#151824

#151F24

Triadic

#151F24

#24151F

#1F2415

Split Complementary

#151F24

#241518

#242215

Tetradic

#151F24

#221524

#241A15

#182415

Color Blindness Simulation

Original

#151F24

Protanopia

#191923

Deuteranopia

#191822

Tritanopia

#162222

Achromatopsia

#1D1D1D

CSS Usage

background-color: #151F24;
color: #151F24;
border-color: #151F24;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DEE5
300
#B2C7D2
400
#88A9B9
500
#5E8BA1
600
#4B6F81
700
#3C5967
800
#2F4551
900
#25343C
950
#172126

Contrast Checker

Text on white

16,76:1

AA Pass AAA Pass

Text on black

1,25:1

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