#0C131C

#0C131C

Color Values

HEX

#0C131C

RGB

12, 19, 28

HSL

213.8, 40.0%, 7.8%

HSV

213.8, 57.1%, 11.0%

CMYK

57.1%, 32.1%, 0.0%, 89.0%

OKLCH

0.1843 0.0215 255.0

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#0C131C

#1C150C

Analogous

#0C1B1C

#0D0C1C

#0C131C

Triadic

#0C131C

#1C0C13

#131C0C

Split Complementary

#0C131C

#1C0D0C

#1B1C0C

Tetradic

#0C131C

#1C0C1B

#1C150C

#0C1C0D

Color Blindness Simulation

Original

#0C131C

Protanopia

#0F0F1A

Deuteranopia

#0F0E19

Tritanopia

#0C1818

Achromatopsia

#121212

CSS Usage

background-color: #0C131C;
color: #0C131C;
border-color: #0C131C;
Nearest Tailwind: Gray 950 #030712

Tailwind Shades

50
#F5F7FA
100
#E7ECF3
200
#CDD9EA
300
#A9BFDA
400
#7B9CC6
500
#4C79B2
600
#3D618F
700
#314D72
800
#263D59
900
#1F2E42
950
#141D2A

Contrast Checker

Text on white

18.66:1

AA Pass AAA Pass

Text on black

1.13:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026