#151A1C

#151A1C

Color Values

HEX

#151A1C

RGB

21, 26, 28

HSL

197.1, 14.3%, 9.6%

HSV

197.1, 25.0%, 11.0%

CMYK

25.0%, 7.1%, 0.0%, 89.0%

OKLCH

0.2135 0.0085 223.9

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#151A1C

#1C1715

Analogous

#151C1A

#15161C

#151A1C

Triadic

#151A1C

#1C151A

#1A1C15

Split Complementary

#151A1C

#1C1516

#1C1A15

Tetradic

#151A1C

#1A151C

#1C1715

#161C15

Color Blindness Simulation

Original

#151A1C

Protanopia

#17171C

Deuteranopia

#17161B

Tritanopia

#151B1B

Achromatopsia

#191919

CSS Usage

background-color: #151A1C;
color: #151A1C;
border-color: #151A1C;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F8F8
100
#EBEEEF
200
#D6DDE0
300
#B9C6CB
400
#93A6AE
500
#6D8792
600
#576C75
700
#46575D
800
#374449
900
#2A3337
950
#1B2023

Contrast Checker

Text on white

17.55:1

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