#100D18

#100D18

Color Values

HEX

#100D18

RGB

16, 13, 24

HSL

256.4, 29.7%, 7.3%

HSV

256.4, 45.8%, 9.4%

CMYK

33.3%, 45.8%, 0.0%, 90.6%

OKLCH

0.1687 0.023 296.4

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#100D18

#15180D

Analogous

#0D1018

#160D18

#100D18

Triadic

#100D18

#18100D

#0D1810

Split Complementary

#100D18

#18160D

#10180D

Tetradic

#100D18

#180D10

#15180D

#0D1816

Color Blindness Simulation

Original

#100D18

Protanopia

#0F0F15

Deuteranopia

#0F0F15

Tritanopia

#101313

Achromatopsia

#0E0E0E

CSS Usage

background-color: #100D18;
color: #100D18;
border-color: #100D18;
Nearest Tailwind: Gray 950 #030712

Tailwind Shades

50
#F6F5F9
100
#EBE9F2
200
#D6D1E6
300
#BAB0D4
400
#9485BD
500
#6E5AA5
600
#584884
700
#47396A
800
#372D53
900
#2B233D
950
#1B1627

Contrast Checker

Text on white

19.22:1

AA Pass AAA Pass

Text on black

1.09:1

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