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#404dff

a balanced, electric blue · warm · closest name: blue

RGB
64, 77, 255
HSL
236°, 100%, 63%
CMYK
75, 70, 0, 0
Luminance
0.1362

Every format

HEX#404dff
RGBrgb(64, 77, 255)
HSLhsl(236, 100%, 63%)
CMYKcmyk(75%, 70%, 0%, 0%)
LABlab(43.7 53.5 -88.9)
LCHlch(43.7 103.8 301.0)
OKLCHoklch(0.537 0.257 270.8)

Copy-ready code

/* CSS */
color: #404dff;
background-color: #404dff;
/* Tailwind (arbitrary) */
class="text-[#404dff] bg-[#404dff]"
/* SCSS */
$brand: #404dff;
/* SwiftUI */
Color(red: 0.251, green: 0.302, blue: 1.000)
/* Android */
Color.parseColor("#404dff")

Accessibility — WCAG contrast

Aa
#404dff on white: 5.64:1
AA ✓ pass · AA-large · AAA
Aa
#404dff on black: 3.72:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green30.2%
Blue100.0%

CMYK percentages

Cyan74.9%
Magenta69.8%
Yellow0.0%
Key (black)0.0%

Color previews

#404dff text on a black background

contrast 3.72:1

Card sample

#404dff text on a white background

contrast 5.64:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #404dff;
Background color
Panel with #404dff background
background-color: #404dff;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #404dff;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 77, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 77, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #404dff;
background: linear-gradient(135deg, #404dff, #B240FF);

Monochromatic scale

Palettes built from #404dff

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #404dff in the Color Lab