#0C103B

#0C103B

Color Values

HEX

#0C103B

RGB

12, 16, 59

HSL

234.9, 66.2%, 13.9%

HSV

234.9, 79.7%, 23.1%

CMYK

79.7%, 72.9%, 0.0%, 76.9%

OKLCH

0.2032 0.0818 272.6

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#0C103B

#3B370C

Analogous

#0C273B

#1F0C3B

#0C103B

Triadic

#0C103B

#3B0C10

#103B0C

Split Complementary

#0C103B

#3B1F0C

#273B0C

Tetradic

#0C103B

#3B0C27

#3B370C

#0C3B1F

Color Blindness Simulation

Original

#0C103B

Protanopia

#0E0E31

Deuteranopia

#0E0D2E

Tritanopia

#0C2827

Achromatopsia

#121212

CSS Usage

background-color: #0C103B;
color: #0C103B;
border-color: #0C103B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F3F4FC
100
#E3E5F7
200
#C4C8F3
300
#99A0EA
400
#626DDF
500
#2B39D4
600
#222EAA
700
#1C2588
800
#161D6A
900
#14184D
950
#0C0F31

Contrast Checker

Text on white

18.21:1

AA Pass AAA Pass

Text on black

1.15:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026