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#10d3df

a balanced, electric cyan · cool · closest name: turquoise

RGB
16, 211, 223
HSL
184°, 87%, 47%
CMYK
93, 5, 0, 13
Luminance
0.5203

Every format

HEX#10d3df
RGBrgb(16, 211, 223)
HSLhsl(184, 87%, 47%)
CMYKcmyk(93%, 5%, 0%, 13%)
LABlab(77.3 -37.6 -18.0)
LCHlch(77.3 41.7 205.6)
OKLCHoklch(0.790 0.133 202.2)

Copy-ready code

/* CSS */
color: #10d3df;
background-color: #10d3df;
/* Tailwind (arbitrary) */
class="text-[#10d3df] bg-[#10d3df]"
/* SCSS */
$brand: #10d3df;
/* SwiftUI */
Color(red: 0.063, green: 0.827, blue: 0.875)
/* Android */
Color.parseColor("#10d3df")

Accessibility — WCAG contrast

Aa
#10d3df on white: 1.84:1
AA ✗ fail · AA-large · AAA
Aa
#10d3df on black: 11.41:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red6.3%
Green82.7%
Blue87.5%

CMYK percentages

Cyan92.8%
Magenta5.4%
Yellow0.0%
Key (black)12.5%

Color previews

#10d3df text on a black background

contrast 11.41:1

Card sample

#10d3df text on a white background

contrast 1.84:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #10d3df;
Background color
Panel with #10d3df background
background-color: #10d3df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #10d3df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(16, 211, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(16, 211, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #10d3df;
background: linear-gradient(135deg, #10d3df, #1049DF);

Monochromatic scale

Palettes built from #10d3df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #10d3df in the Color Lab