#100C29

#100C29

Color Values

HEX

#100C29

RGB

16, 12, 41

HSL

248.3, 54.7%, 10.4%

HSV

248.3, 70.7%, 16.1%

CMYK

61.0%, 70.7%, 0.0%, 83.9%

OKLCH

0.1796 0.0569 285.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#100C29

#25290C

Analogous

#0C1729

#1F0C29

#100C29

Triadic

#100C29

#29100C

#0C2910

Split Complementary

#100C29

#291F0C

#17290C

Tetradic

#100C29

#290C17

#25290C

#0C291F

Color Blindness Simulation

Original

#100C29

Protanopia

#0E0E22

Deuteranopia

#0E0F20

Tritanopia

#101C1B

Achromatopsia

#0F0F0F

CSS Usage

background-color: #100C29;
color: #100C29;
border-color: #100C29;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CDC8EF
300
#AAA0E3
400
#7B6DD4
500
#4D3AC5
600
#3E2E9E
700
#31257E
800
#271D63
900
#1F1948
950
#14102E

Contrast Checker

Text on white

18.98:1

AA Pass AAA Pass

Text on black

1.11:1

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