#151F1C

#151F1C

Color Values

HEX

#151F1C

RGB

21, 31, 28

HSL

162.0, 19.2%, 10.2%

HSV

162.0, 32.3%, 12.2%

CMYK

32.3%, 0.0%, 9.7%, 87.8%

OKLCH

0.2284 0.0155 174.5

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#151F1C

#1F1518

Analogous

#151F17

#151D1F

#151F1C

Triadic

#151F1C

#1C151F

#1F1C15

Split Complementary

#151F1C

#1F151D

#1F1715

Tetradic

#151F1C

#17151F

#1F1518

#1D1F15

Color Blindness Simulation

Original

#151F1C

Protanopia

#19191D

Deuteranopia

#19181D

Tritanopia

#161D1D

Achromatopsia

#1D1D1D

CSS Usage

background-color: #151F1C;
color: #151F1C;
border-color: #151F1C;
Nearest Tailwind: Neutral 900 #171717

Tailwind Shades

50
#F6F9F8
100
#EAF0EE
200
#D4E2DE
300
#B6CEC7
400
#8FB3A8
500
#679889
600
#527A6E
700
#426158
800
#344C45
900
#283934
950
#192421

Contrast Checker

Text on white

16.87:1

AA Pass AAA Pass

Text on black

1.24:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026