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#0b8fdf

a balanced, electric blue · cool · closest name: steelblue

RGB
11, 143, 223
HSL
203°, 91%, 46%
CMYK
95, 36, 0, 13
Luminance
0.2504

Every format

HEX#0b8fdf
RGBrgb(11, 143, 223)
HSLhsl(203, 91%, 46%)
CMYKcmyk(95%, 36%, 0%, 13%)
LABlab(57.1 -2.3 -49.3)
LCHlch(57.1 49.4 267.3)
OKLCHoklch(0.628 0.155 245.0)

Copy-ready code

/* CSS */
color: #0b8fdf;
background-color: #0b8fdf;
/* Tailwind (arbitrary) */
class="text-[#0b8fdf] bg-[#0b8fdf]"
/* SCSS */
$brand: #0b8fdf;
/* SwiftUI */
Color(red: 0.043, green: 0.561, blue: 0.875)
/* Android */
Color.parseColor("#0b8fdf")

Accessibility — WCAG contrast

Aa
#0b8fdf on white: 3.49:1
AA ✗ fail · AA-large · AAA
Aa
#0b8fdf on black: 6.01:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red4.3%
Green56.1%
Blue87.5%

CMYK percentages

Cyan95.1%
Magenta35.9%
Yellow0.0%
Key (black)12.5%

Color previews

#0b8fdf text on a black background

contrast 6.01:1

Card sample

#0b8fdf text on a white background

contrast 3.49:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0b8fdf;
Background color
Panel with #0b8fdf background
background-color: #0b8fdf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0b8fdf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(11, 143, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 143, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b8fdf;
background: linear-gradient(135deg, #0b8fdf, #140BDF);

Monochromatic scale

Palettes built from #0b8fdf

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0b8fdf in the Color Lab