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#0f1721

a deep, soft blue · cool · closest name: black

RGB
15, 23, 33
HSL
213°, 38%, 9%
CMYK
55, 30, 0, 87
Luminance
0.0082

Every format

HEX#0f1721
RGBrgb(15, 23, 33)
HSLhsl(213, 38%, 9%)
CMYKcmyk(55%, 30%, 0%, 87%)
LABlab(7.4 -0.2 -8.1)
LCHlch(7.4 8.1 268.4)
OKLCHoklch(0.202 0.024 254.3)

Copy-ready code

/* CSS */
color: #0f1721;
background-color: #0f1721;
/* Tailwind (arbitrary) */
class="text-[#0f1721] bg-[#0f1721]"
/* SCSS */
$brand: #0f1721;
/* SwiftUI */
Color(red: 0.059, green: 0.090, blue: 0.129)
/* Android */
Color.parseColor("#0f1721")

Accessibility — WCAG contrast

Aa
#0f1721 on white: 18.03:1
AA ✓ pass · AA-large · AAA
Aa
#0f1721 on black: 1.16:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red5.9%
Green9.0%
Blue12.9%

CMYK percentages

Cyan54.5%
Magenta30.3%
Yellow0.0%
Key (black)87.1%

Color previews

#0f1721 text on a black background

contrast 1.16:1

Card sample

#0f1721 text on a white background

contrast 18.03:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0f1721;
Background color
Panel with #0f1721 background
background-color: #0f1721;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0f1721;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(15, 23, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 23, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f1721;
background: linear-gradient(135deg, #0f1721, #130F21);

Monochromatic scale

Palettes built from #0f1721

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0f1721 in the Color Lab