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#40c3fc

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

RGB
64, 195, 252
HSL
198°, 97%, 62%
CMYK
75, 23, 0, 1
Luminance
0.4715

Every format

HEX#40c3fc
RGBrgb(64, 195, 252)
HSLhsl(198, 97%, 62%)
CMYKcmyk(75%, 23%, 0%, 1%)
LABlab(74.3 -17.0 -38.2)
LCHlch(74.3 41.8 246.0)
OKLCHoklch(0.771 0.137 231.6)

Copy-ready code

/* CSS */
color: #40c3fc;
background-color: #40c3fc;
/* Tailwind (arbitrary) */
class="text-[#40c3fc] bg-[#40c3fc]"
/* SCSS */
$brand: #40c3fc;
/* SwiftUI */
Color(red: 0.251, green: 0.765, blue: 0.988)
/* Android */
Color.parseColor("#40c3fc")

Accessibility — WCAG contrast

Aa
#40c3fc on white: 2.01:1
AA ✗ fail · AA-large · AAA
Aa
#40c3fc on black: 10.43:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green76.5%
Blue98.8%

CMYK percentages

Cyan74.6%
Magenta22.6%
Yellow0.0%
Key (black)1.2%

Color previews

#40c3fc text on a black background

contrast 10.43:1

Card sample

#40c3fc text on a white background

contrast 2.01:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #40c3fc;
Background color
Panel with #40c3fc background
background-color: #40c3fc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #40c3fc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 195, 252, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 195, 252, 0.45);
Border & gradient
Gradient panel
border: 3px solid #40c3fc;
background: linear-gradient(135deg, #40c3fc, #4046FC);

Monochromatic scale

Palettes built from #40c3fc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #40c3fc in the Color Lab