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#39b2df

a balanced, vivid cyan · cool · closest name: skyblue

RGB
57, 178, 223
HSL
196°, 72%, 55%
CMYK
74, 20, 0, 13
Luminance
0.3804

Every format

HEX#39b2df
RGBrgb(57, 178, 223)
HSLhsl(196, 72%, 55%)
CMYKcmyk(74%, 20%, 0%, 13%)
LABlab(68.0 -18.4 -32.1)
LCHlch(68.0 37.0 240.2)
OKLCHoklch(0.717 0.122 227.6)

Copy-ready code

/* CSS */
color: #39b2df;
background-color: #39b2df;
/* Tailwind (arbitrary) */
class="text-[#39b2df] bg-[#39b2df]"
/* SCSS */
$brand: #39b2df;
/* SwiftUI */
Color(red: 0.224, green: 0.698, blue: 0.875)
/* Android */
Color.parseColor("#39b2df")

Accessibility — WCAG contrast

Aa
#39b2df on white: 2.44:1
AA ✗ fail · AA-large · AAA
Aa
#39b2df on black: 8.61:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red22.4%
Green69.8%
Blue87.5%

CMYK percentages

Cyan74.4%
Magenta20.2%
Yellow0.0%
Key (black)12.5%

Color previews

#39b2df text on a black background

contrast 8.61:1

Card sample

#39b2df text on a white background

contrast 2.44:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #39b2df;
Background color
Panel with #39b2df background
background-color: #39b2df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #39b2df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(57, 178, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 178, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #39b2df;
background: linear-gradient(135deg, #39b2df, #3943DF);

Monochromatic scale

Palettes built from #39b2df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #39b2df in the Color Lab