#100F28

#100F28

Color Values

HEX

#100F28

RGB

16, 15, 40

HSL

242.4, 45.5%, 10.8%

HSV

242.4, 62.5%, 15.7%

CMYK

60.0%, 62.5%, 0.0%, 84.3%

OKLCH

0.1859 0.0496 282.2

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#100F28

#27280F

Analogous

#0F1B28

#1D0F28

#100F28

Triadic

#100F28

#28100F

#0F2810

Split Complementary

#100F28

#281D0F

#1B280F

Tetradic

#100F28

#280F1B

#27280F

#0F281D

Color Blindness Simulation

Original

#100F28

Protanopia

#101022

Deuteranopia

#101020

Tritanopia

#101D1C

Achromatopsia

#111111

CSS Usage

background-color: #100F28;
color: #100F28;
border-color: #100F28;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CCCBEC
300
#A8A6DE
400
#7976CC
500
#4A45BA
600
#3B3894
700
#2F2C77
800
#25235D
900
#1E1D44
950
#13122B

Contrast Checker

Text on white

18.73:1

AA Pass AAA Pass

Text on black

1.12:1

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