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#0b1821

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

RGB
11, 24, 33
HSL
205°, 50%, 9%
CMYK
67, 27, 0, 87
Luminance
0.0083

Every format

HEX#0b1821
RGBrgb(11, 24, 33)
HSLhsl(205, 50%, 9%)
CMYKcmyk(67%, 27%, 0%, 87%)
LABlab(7.5 -2.2 -8.0)
LCHlch(7.5 8.3 254.6)
OKLCHoklch(0.202 0.026 240.0)

Copy-ready code

/* CSS */
color: #0b1821;
background-color: #0b1821;
/* Tailwind (arbitrary) */
class="text-[#0b1821] bg-[#0b1821]"
/* SCSS */
$brand: #0b1821;
/* SwiftUI */
Color(red: 0.043, green: 0.094, blue: 0.129)
/* Android */
Color.parseColor("#0b1821")

Accessibility — WCAG contrast

Aa
#0b1821 on white: 18.00:1
AA ✓ pass · AA-large · AAA
Aa
#0b1821 on black: 1.17:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red4.3%
Green9.4%
Blue12.9%

CMYK percentages

Cyan66.7%
Magenta27.3%
Yellow0.0%
Key (black)87.1%

Color previews

#0b1821 text on a black background

contrast 1.17:1

Card sample

#0b1821 text on a white background

contrast 18.00:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0b1821;
Background color
Panel with #0b1821 background
background-color: #0b1821;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0b1821;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(11, 24, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 24, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b1821;
background: linear-gradient(135deg, #0b1821, #0D0B21);

Monochromatic scale

Palettes built from #0b1821

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0b1821 in the Color Lab