#151B13

#151B13

Color Values

HEX

#151B13

RGB

21, 27, 19

HSL

105.0, 17.4%, 9.0%

HSV

105.0, 29.6%, 10.6%

CMYK

22.2%, 0.0%, 29.6%, 89.4%

OKLCH

0.213 0.0178 137.9

Properties

Cool Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#151B13

#19131B

Analogous

#191B13

#131B15

#151B13

Triadic

#151B13

#13151B

#1B1315

Split Complementary

#151B13

#15131B

#1B1319

Tetradic

#151B13

#13191B

#19131B

#1B1513

Color Blindness Simulation

Original

#151B13

Protanopia

#181815

Deuteranopia

#171715

Tritanopia

#151617

Achromatopsia

#191919

CSS Usage

background-color: #151B13;
color: #151B13;
border-color: #151B13;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F7F8F6
100
#ECF0EB
200
#D8E2D5
300
#BCCCB7
400
#98B190
500
#749669
600
#5D7854
700
#4B6043
800
#3A4B35
900
#2D3829
950
#1C231A

Contrast Checker

Text on white

17.53:1

AA Pass AAA Pass

Text on black

1.2:1

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