#101115

#101115

Color Values

HEX

#101115

RGB

16, 17, 21

HSL

228.0, 13.5%, 7.3%

HSV

228.0, 23.8%, 8.2%

CMYK

23.8%, 19.0%, 0.0%, 91.8%

OKLCH

0.1784 0.0084 274.4

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#101115

#151410

Analogous

#101415

#121015

#101115

Triadic

#101115

#151011

#111510

Split Complementary

#101115

#151210

#141510

Tetradic

#101115

#151014

#151410

#101512

Color Blindness Simulation

Original

#101115

Protanopia

#101014

Deuteranopia

#101014

Tritanopia

#101313

Achromatopsia

#111111

CSS Usage

background-color: #101115;
color: #101115;
border-color: #101115;
Nearest Tailwind: Zinc 950 #09090B

Tailwind Shades

50
#F6F7F8
100
#EBECEF
200
#D6D8E0
300
#BABDCA
400
#9499AD
500
#6E7591
600
#585E74
700
#474B5D
800
#373B48
900
#2B2D36
950
#1B1C22

Contrast Checker

Text on white

18.87:1

AA Pass AAA Pass

Text on black

1.11:1

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