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#0f99df

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

RGB
15, 153, 223
HSL
200°, 87%, 47%
CMYK
93, 31, 0, 13
Luminance
0.2821

Every format

HEX#0f99df
RGBrgb(15, 153, 223)
HSLhsl(200, 87%, 47%)
CMYKcmyk(93%, 31%, 0%, 13%)
LABlab(60.1 -8.0 -44.6)
LCHlch(60.1 45.3 259.9)
OKLCHoklch(0.651 0.146 240.1)

Copy-ready code

/* CSS */
color: #0f99df;
background-color: #0f99df;
/* Tailwind (arbitrary) */
class="text-[#0f99df] bg-[#0f99df]"
/* SCSS */
$brand: #0f99df;
/* SwiftUI */
Color(red: 0.059, green: 0.600, blue: 0.875)
/* Android */
Color.parseColor("#0f99df")

Accessibility — WCAG contrast

Aa
#0f99df on white: 3.16:1
AA ✗ fail · AA-large · AAA
Aa
#0f99df on black: 6.64:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red5.9%
Green60.0%
Blue87.5%

CMYK percentages

Cyan93.3%
Magenta31.4%
Yellow0.0%
Key (black)12.5%

Color previews

#0f99df text on a black background

contrast 6.64:1

Card sample

#0f99df text on a white background

contrast 3.16:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0f99df;
Background color
Panel with #0f99df background
background-color: #0f99df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0f99df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(15, 153, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 153, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f99df;
background: linear-gradient(135deg, #0f99df, #100FDF);

Monochromatic scale

Palettes built from #0f99df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0f99df in the Color Lab