#100F43

#100F43

Color Values

HEX

#100F43

RGB

16, 15, 67

HSL

241.2, 63.4%, 16.1%

HSV

241.2, 77.6%, 26.3%

CMYK

76.1%, 77.6%, 0.0%, 73.7%

OKLCH

0.2131 0.0945 275.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#100F43

#42430F

Analogous

#0F2843

#2A0F43

#100F43

Triadic

#100F43

#43100F

#0F4310

Split Complementary

#100F43

#432A0F

#28430F

Tetradic

#100F43

#430F28

#42430F

#0F432A

Color Blindness Simulation

Original

#100F43

Protanopia

#101036

Deuteranopia

#101033

Tritanopia

#102C2A

Achromatopsia

#131313

CSS Usage

background-color: #100F43;
color: #100F43;
border-color: #100F43;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F3FB
100
#E4E4F7
200
#C6C5F2
300
#9D9BE9
400
#6765DC
500
#322FD0
600
#2825A7
700
#201E85
800
#191768
900
#16154C
950
#0E0D30

Contrast Checker

Text on white

17.93:1

AA Pass AAA Pass

Text on black

1.17:1

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