Skip to content

#28d2df

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

RGB
40, 210, 223
HSL
184°, 74%, 52%
CMYK
82, 6, 0, 13
Luminance
0.5187

Every format

HEX#28d2df
RGBrgb(40, 210, 223)
HSLhsl(184, 74%, 52%)
CMYKcmyk(82%, 6%, 0%, 13%)
LABlab(77.2 -35.9 -18.1)
LCHlch(77.2 40.2 206.8)
OKLCHoklch(0.790 0.128 203.2)

Copy-ready code

/* CSS */
color: #28d2df;
background-color: #28d2df;
/* Tailwind (arbitrary) */
class="text-[#28d2df] bg-[#28d2df]"
/* SCSS */
$brand: #28d2df;
/* SwiftUI */
Color(red: 0.157, green: 0.824, blue: 0.875)
/* Android */
Color.parseColor("#28d2df")

Accessibility — WCAG contrast

Aa
#28d2df on white: 1.85:1
AA ✗ fail · AA-large · AAA
Aa
#28d2df on black: 11.37:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red15.7%
Green82.4%
Blue87.5%

CMYK percentages

Cyan82.1%
Magenta5.8%
Yellow0.0%
Key (black)12.5%

Color previews

#28d2df text on a black background

contrast 11.37:1

Card sample

#28d2df text on a white background

contrast 1.85:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #28d2df;
Background color
Panel with #28d2df background
background-color: #28d2df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #28d2df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(40, 210, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 210, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #28d2df;
background: linear-gradient(135deg, #28d2df, #2858DF);

Monochromatic scale

Palettes built from #28d2df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #28d2df in the Color Lab