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#0b1221

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

RGB
11, 18, 33
HSL
221°, 50%, 9%
CMYK
67, 46, 0, 87
Luminance
0.0061

Every format

HEX#0b1221
RGBrgb(11, 18, 33)
HSLhsl(221, 50%, 9%)
CMYKcmyk(67%, 46%, 0%, 87%)
LABlab(5.5 1.9 -11.1)
LCHlch(5.5 11.2 279.6)
OKLCHoklch(0.184 0.033 264.4)

Copy-ready code

/* CSS */
color: #0b1221;
background-color: #0b1221;
/* Tailwind (arbitrary) */
class="text-[#0b1221] bg-[#0b1221]"
/* SCSS */
$brand: #0b1221;
/* SwiftUI */
Color(red: 0.043, green: 0.071, blue: 0.129)
/* Android */
Color.parseColor("#0b1221")

Accessibility — WCAG contrast

Aa
#0b1221 on white: 18.70:1
AA ✓ pass · AA-large · AAA
Aa
#0b1221 on black: 1.12:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red4.3%
Green7.1%
Blue12.9%

CMYK percentages

Cyan66.7%
Magenta45.5%
Yellow0.0%
Key (black)87.1%

Color previews

#0b1221 text on a black background

contrast 1.12:1

Card sample

#0b1221 text on a white background

contrast 18.70:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0b1221;
Background color
Panel with #0b1221 background
background-color: #0b1221;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0b1221;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(11, 18, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 18, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b1221;
background: linear-gradient(135deg, #0b1221, #130B21);

Monochromatic scale

Palettes built from #0b1221

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0b1221 in the Color Lab