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#3bbcdf

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

RGB
59, 188, 223
HSL
193°, 72%, 55%
CMYK
74, 16, 0, 13
Luminance
0.4222

Every format

HEX#3bbcdf
RGBrgb(59, 188, 223)
HSLhsl(193, 72%, 55%)
CMYKcmyk(74%, 16%, 0%, 13%)
LABlab(71.0 -23.3 -27.5)
LCHlch(71.0 36.1 229.7)
OKLCHoklch(0.741 0.119 220.2)

Copy-ready code

/* CSS */
color: #3bbcdf;
background-color: #3bbcdf;
/* Tailwind (arbitrary) */
class="text-[#3bbcdf] bg-[#3bbcdf]"
/* SCSS */
$brand: #3bbcdf;
/* SwiftUI */
Color(red: 0.231, green: 0.737, blue: 0.875)
/* Android */
Color.parseColor("#3bbcdf")

Accessibility — WCAG contrast

Aa
#3bbcdf on white: 2.22:1
AA ✗ fail · AA-large · AAA
Aa
#3bbcdf on black: 9.44:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red23.1%
Green73.7%
Blue87.5%

CMYK percentages

Cyan73.5%
Magenta15.7%
Yellow0.0%
Key (black)12.5%

Color previews

#3bbcdf text on a black background

contrast 9.44:1

Card sample

#3bbcdf text on a white background

contrast 2.22:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

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

Glowing headline

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

Soft neon halo

text-shadow: 0 0 14px rgba(59, 188, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 188, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3bbcdf;
background: linear-gradient(135deg, #3bbcdf, #3B4FDF);

Monochromatic scale

Palettes built from #3bbcdf

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3bbcdf in the Color Lab