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#0c1d21

a deep, vivid cyan · cool · closest name: black

RGB
12, 29, 33
HSL
191°, 47%, 9%
CMYK
64, 12, 0, 87
Luminance
0.0107

Every format

HEX#0c1d21
RGBrgb(12, 29, 33)
HSLhsl(191, 47%, 9%)
CMYKcmyk(64%, 12%, 0%, 87%)
LABlab(9.5 -5.7 -5.0)
LCHlch(9.5 7.5 221.2)
OKLCHoklch(0.218 0.024 214.6)

Copy-ready code

/* CSS */
color: #0c1d21;
background-color: #0c1d21;
/* Tailwind (arbitrary) */
class="text-[#0c1d21] bg-[#0c1d21]"
/* SCSS */
$brand: #0c1d21;
/* SwiftUI */
Color(red: 0.047, green: 0.114, blue: 0.129)
/* Android */
Color.parseColor("#0c1d21")

Accessibility — WCAG contrast

Aa
#0c1d21 on white: 17.31:1
AA ✓ pass · AA-large · AAA
Aa
#0c1d21 on black: 1.21:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red4.7%
Green11.4%
Blue12.9%

CMYK percentages

Cyan63.6%
Magenta12.1%
Yellow0.0%
Key (black)87.1%

Color previews

#0c1d21 text on a black background

contrast 1.21:1

Card sample

#0c1d21 text on a white background

contrast 17.31:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0c1d21;
Background color
Panel with #0c1d21 background
background-color: #0c1d21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0c1d21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(12, 29, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(12, 29, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0c1d21;
background: linear-gradient(135deg, #0c1d21, #0C0F21);

Monochromatic scale

Palettes built from #0c1d21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0c1d21 in the Color Lab