#100C41

#100C41

Color Values

HEX

#100C41

RGB

16, 12, 65

HSL

244.5, 68.8%, 15.1%

HSV

244.5, 81.5%, 25.5%

CMYK

75.4%, 81.5%, 0.0%, 74.5%

OKLCH

0.2054 0.0954 277.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#100C41

#3D410C

Analogous

#0C2341

#2A0C41

#100C41

Triadic

#100C41

#41100C

#0C4110

Split Complementary

#100C41

#412A0C

#23410C

Tetradic

#100C41

#410C23

#3D410C

#0C412A

Color Blindness Simulation

Original

#100C41

Protanopia

#0E0E34

Deuteranopia

#0E0F31

Tritanopia

#102A28

Achromatopsia

#111111

CSS Usage

background-color: #100C41;
color: #100C41;
border-color: #100C41;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F3FC
100
#E4E3F8
200
#C6C3F4
300
#9E98EC
400
#6960E2
500
#3528D7
600
#2A20AC
700
#22198A
800
#1A146C
900
#17124E
950
#0E0C32

Contrast Checker

Text on white

18.25:1

AA Pass AAA Pass

Text on black

1.15:1

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