#0C1823

#0C1823

Color Values

HEX

#0C1823

RGB

12, 24, 35

HSL

208.7, 48.9%, 9.2%

HSV

208.7, 65.7%, 13.7%

CMYK

65.7%, 31.4%, 0.0%, 86.3%

OKLCH

0.2037 0.028 247.3

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#0C1823

#23170C

Analogous

#0C2322

#0C0C23

#0C1823

Triadic

#0C1823

#230C18

#18230C

Split Complementary

#0C1823

#230C0C

#23220C

Tetradic

#0C1823

#220C23

#23170C

#0C230C

Color Blindness Simulation

Original

#0C1823

Protanopia

#111120

Deuteranopia

#101020

Tritanopia

#0D1E1E

Achromatopsia

#161616

CSS Usage

background-color: #0C1823;
color: #0C1823;
border-color: #0C1823;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADCED
300
#A4C3E0
400
#73A3CF
500
#4182BE
600
#346898
700
#2A537A
800
#21415F
900
#1B3146
950
#111F2C

Contrast Checker

Text on white

17.94:1

AA Pass AAA Pass

Text on black

1.17:1

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