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#3affd2

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

RGB
58, 255, 210
HSL
166°, 100%, 61%
CMYK
77, 0, 18, 0
Luminance
0.7707

Every format

HEX#3affd2
RGBrgb(58, 255, 210)
HSLhsl(166, 100%, 61%)
CMYKcmyk(77%, 0%, 18%, 0%)
LABlab(90.3 -57.1 8.1)
LCHlch(90.3 57.7 171.9)
OKLCHoklch(0.896 0.162 172.7)

Copy-ready code

/* CSS */
color: #3affd2;
background-color: #3affd2;
/* Tailwind (arbitrary) */
class="text-[#3affd2] bg-[#3affd2]"
/* SCSS */
$brand: #3affd2;
/* SwiftUI */
Color(red: 0.227, green: 1.000, blue: 0.824)
/* Android */
Color.parseColor("#3affd2")

Accessibility — WCAG contrast

Aa
#3affd2 on white: 1.28:1
AA ✗ fail · AA-large · AAA
Aa
#3affd2 on black: 16.41:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red22.7%
Green100.0%
Blue82.4%

CMYK percentages

Cyan77.3%
Magenta0.0%
Yellow17.6%
Key (black)0.0%

Color previews

#3affd2 text on a black background

contrast 16.41:1

Card sample

#3affd2 text on a white background

contrast 1.28:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3affd2;
Background color
Panel with #3affd2 background
background-color: #3affd2;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3affd2;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(58, 255, 210, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(58, 255, 210, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3affd2;
background: linear-gradient(135deg, #3affd2, #3AA9FF);

Monochromatic scale

Palettes built from #3affd2

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3affd2 in the Color Lab