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#3affcd

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

RGB
58, 255, 205
HSL
165°, 100%, 61%
CMYK
77, 0, 20, 0
Luminance
0.7683

Every format

HEX#3affcd
RGBrgb(58, 255, 205)
HSLhsl(165, 100%, 61%)
CMYKcmyk(77%, 0%, 20%, 0%)
LABlab(90.2 -58.3 10.5)
LCHlch(90.2 59.3 169.8)
OKLCHoklch(0.895 0.165 170.6)

Copy-ready code

/* CSS */
color: #3affcd;
background-color: #3affcd;
/* Tailwind (arbitrary) */
class="text-[#3affcd] bg-[#3affcd]"
/* SCSS */
$brand: #3affcd;
/* SwiftUI */
Color(red: 0.227, green: 1.000, blue: 0.804)
/* Android */
Color.parseColor("#3affcd")

Accessibility — WCAG contrast

Aa
#3affcd on white: 1.28:1
AA ✗ fail · AA-large · AAA
Aa
#3affcd on black: 16.37:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red22.7%
Green100.0%
Blue80.4%

CMYK percentages

Cyan77.3%
Magenta0.0%
Yellow19.6%
Key (black)0.0%

Color previews

#3affcd text on a black background

contrast 16.37:1

Card sample

#3affcd text on a white background

contrast 1.28:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

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

Glowing headline

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

Soft neon halo

text-shadow: 0 0 14px rgba(58, 255, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(58, 255, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3affcd;
background: linear-gradient(135deg, #3affcd, #3AAEFF);

Monochromatic scale

Palettes built from #3affcd

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3affcd in the Color Lab