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#3dc9df

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

RGB
61, 201, 223
HSL
188°, 72%, 56%
CMYK
73, 10, 0, 13
Luminance
0.4809

Every format

HEX#3dc9df
RGBrgb(61, 201, 223)
HSLhsl(188, 72%, 56%)
CMYKcmyk(73%, 10%, 0%, 13%)
LABlab(74.9 -29.6 -21.6)
LCHlch(74.9 36.6 216.2)
OKLCHoklch(0.772 0.119 210.4)

Copy-ready code

/* CSS */
color: #3dc9df;
background-color: #3dc9df;
/* Tailwind (arbitrary) */
class="text-[#3dc9df] bg-[#3dc9df]"
/* SCSS */
$brand: #3dc9df;
/* SwiftUI */
Color(red: 0.239, green: 0.788, blue: 0.875)
/* Android */
Color.parseColor("#3dc9df")

Accessibility — WCAG contrast

Aa
#3dc9df on white: 1.98:1
AA ✗ fail · AA-large · AAA
Aa
#3dc9df on black: 10.62:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red23.9%
Green78.8%
Blue87.5%

CMYK percentages

Cyan72.6%
Magenta9.9%
Yellow0.0%
Key (black)12.5%

Color previews

#3dc9df text on a black background

contrast 10.62:1

Card sample

#3dc9df text on a white background

contrast 1.98:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3dc9df;
Background color
Panel with #3dc9df background
background-color: #3dc9df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3dc9df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(61, 201, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(61, 201, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3dc9df;
background: linear-gradient(135deg, #3dc9df, #3D5DDF);

Monochromatic scale

Palettes built from #3dc9df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3dc9df in the Color Lab