#0C103F

#0C103F

Color Values

HEX

#0C103F

RGB

12, 16, 63

HSL

235.3, 68.0%, 14.7%

HSV

235.3, 81.0%, 24.7%

CMYK

81.0%, 74.6%, 0.0%, 75.3%

OKLCH

0.2076 0.0882 272.2

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#0C103F

#3F3B0C

Analogous

#0C293F

#210C3F

#0C103F

Triadic

#0C103F

#3F0C10

#103F0C

Split Complementary

#0C103F

#3F210C

#293F0C

Tetradic

#0C103F

#3F0C29

#3F3B0C

#0C3F21

Color Blindness Simulation

Original

#0C103F

Protanopia

#0E0E34

Deuteranopia

#0E0D31

Tritanopia

#0C2B29

Achromatopsia

#131313

CSS Usage

background-color: #0C103F;
color: #0C103F;
border-color: #0C103F;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F4FC
100
#E3E4F7
200
#C3C7F4
300
#989FEB
400
#606BE1
500
#2936D6
600
#212CAB
700
#1A2389
800
#141B6B
900
#13174E
950
#0C0F31

Contrast Checker

Text on white

18.08:1

AA Pass AAA Pass

Text on black

1.16:1

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