#0C0F23

#0C0F23

Color Values

HEX

#0C0F23

RGB

12, 15, 35

HSL

232.2, 48.9%, 9.2%

HSV

232.2, 65.7%, 13.7%

CMYK

65.7%, 57.1%, 0.0%, 86.3%

OKLCH

0.1778 0.0413 275.0

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#0C0F23

#23200C

Analogous

#0C1A23

#140C23

#0C0F23

Triadic

#0C0F23

#230C0F

#0F230C

Split Complementary

#0C0F23

#23140C

#1A230C

Tetradic

#0C0F23

#230C1A

#23200C

#0C2314

Color Blindness Simulation

Original

#0C0F23

Protanopia

#0D0D1E

Deuteranopia

#0D0D1D

Tritanopia

#0C1A1A

Achromatopsia

#101010

CSS Usage

background-color: #0C0F23;
color: #0C0F23;
border-color: #0C0F23;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F4F5FB
100
#E6E8F5
200
#CACEED
300
#A4ACE0
400
#737FCF
500
#4151BE
600
#344198
700
#2A347A
800
#21295F
900
#1B2146
950
#11152C

Contrast Checker

Text on white

18.95:1

AA Pass AAA Pass

Text on black

1.11:1

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