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#2df9fb

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

RGB
45, 249, 251
HSL
181°, 96%, 58%
CMYK
82, 1, 0, 2
Luminance
0.7527

Every format

HEX#2df9fb
RGBrgb(45, 249, 251)
HSLhsl(181, 96%, 58%)
CMYKcmyk(82%, 1%, 0%, 2%)
LABlab(89.5 -44.9 -14.4)
LCHlch(89.5 47.2 197.8)
OKLCHoklch(0.893 0.146 195.9)

Copy-ready code

/* CSS */
color: #2df9fb;
background-color: #2df9fb;
/* Tailwind (arbitrary) */
class="text-[#2df9fb] bg-[#2df9fb]"
/* SCSS */
$brand: #2df9fb;
/* SwiftUI */
Color(red: 0.176, green: 0.976, blue: 0.984)
/* Android */
Color.parseColor("#2df9fb")

Accessibility — WCAG contrast

Aa
#2df9fb on white: 1.31:1
AA ✗ fail · AA-large · AAA
Aa
#2df9fb on black: 16.05:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red17.6%
Green97.6%
Blue98.4%

CMYK percentages

Cyan82.1%
Magenta0.8%
Yellow0.0%
Key (black)1.6%

Color previews

#2df9fb text on a black background

contrast 16.05:1

Card sample

#2df9fb text on a white background

contrast 1.31:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #2df9fb;
Background color
Panel with #2df9fb background
background-color: #2df9fb;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #2df9fb;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(45, 249, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(45, 249, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2df9fb;
background: linear-gradient(135deg, #2df9fb, #2D6FFB);

Monochromatic scale

Palettes built from #2df9fb

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #2df9fb in the Color Lab