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#40c9cd

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

RGB
64, 201, 205
HSL
182°, 59%, 53%
CMYK
69, 2, 0, 20
Luminance
0.4727

Every format

HEX#40c9cd
RGBrgb(64, 201, 205)
HSLhsl(182, 59%, 53%)
CMYKcmyk(69%, 2%, 0%, 20%)
LABlab(74.4 -34.5 -12.7)
LCHlch(74.4 36.7 200.2)
OKLCHoklch(0.766 0.115 197.9)

Copy-ready code

/* CSS */
color: #40c9cd;
background-color: #40c9cd;
/* Tailwind (arbitrary) */
class="text-[#40c9cd] bg-[#40c9cd]"
/* SCSS */
$brand: #40c9cd;
/* SwiftUI */
Color(red: 0.251, green: 0.788, blue: 0.804)
/* Android */
Color.parseColor("#40c9cd")

Accessibility — WCAG contrast

Aa
#40c9cd on white: 2.01:1
AA ✗ fail · AA-large · AAA
Aa
#40c9cd on black: 10.45:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green78.8%
Blue80.4%

CMYK percentages

Cyan68.8%
Magenta2.0%
Yellow0.0%
Key (black)19.6%

Color previews

#40c9cd text on a black background

contrast 10.45:1

Card sample

#40c9cd text on a white background

contrast 2.01:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40c9cd;
Background color
Panel with #40c9cd background
background-color: #40c9cd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40c9cd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 201, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 201, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c9cd;
background: linear-gradient(135deg, #40c9cd, #406BCD);

Monochromatic scale

Palettes built from #40c9cd

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40c9cd in the Color Lab