#0C1121

#0C1121

Color Values

HEX

#0C1121

RGB

12, 17, 33

HSL

225.7, 46.7%, 8.8%

HSV

225.7, 63.6%, 12.9%

CMYK

63.6%, 48.5%, 0.0%, 87.1%

OKLCH

0.1818 0.0339 269.7

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#0C1121

#211C0C

Analogous

#0C1B21

#110C21

#0C1121

Triadic

#0C1121

#210C11

#11210C

Split Complementary

#0C1121

#21110C

#1B210C

Tetradic

#0C1121

#210C1B

#211C0C

#0C2111

Color Blindness Simulation

Original

#0C1121

Protanopia

#0E0E1D

Deuteranopia

#0E0D1C

Tritanopia

#0C1A19

Achromatopsia

#111111

CSS Usage

background-color: #0C1121;
color: #0C1121;
border-color: #0C1121;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F4F6FA
100
#E6E9F4
200
#CBD3EC
300
#A5B3DE
400
#758ACD
500
#4460BB
600
#364D96
700
#2B3E78
800
#22305E
900
#1C2645
950
#12182B

Contrast Checker

Text on white

18.79:1

AA Pass AAA Pass

Text on black

1.12:1

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