#101215

#101215

Color Values

HEX

#101215

RGB

16, 18, 21

HSL

216.0, 13.5%, 7.3%

HSV

216.0, 23.8%, 8.2%

CMYK

23.8%, 14.3%, 0.0%, 91.8%

OKLCH

0.1813 0.0069 258.4

Properties

Cool Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#101215

#151310

Analogous

#101515

#111015

#101215

Triadic

#101215

#151012

#121510

Split Complementary

#101215

#151110

#151510

Tetradic

#101215

#151015

#151310

#101511

Color Blindness Simulation

Original

#101215

Protanopia

#111114

Deuteranopia

#111114

Tritanopia

#101414

Achromatopsia

#121212

CSS Usage

background-color: #101215;
color: #101215;
border-color: #101215;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F6F7F8
100
#EBEDEF
200
#D6DAE0
300
#BAC0CA
400
#949EAD
500
#6E7C91
600
#586374
700
#474F5D
800
#373E48
900
#2B2F36
950
#1B1E22

Contrast Checker

Text on white

18.76:1

AA Pass AAA Pass

Text on black

1.12:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026