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#3f5df1

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

RGB
63, 93, 241
HSL
230°, 86%, 60%
CMYK
74, 61, 0, 6
Luminance
0.1524

Every format

HEX#3f5df1
RGBrgb(63, 93, 241)
HSLhsl(230, 86%, 60%)
CMYKcmyk(74%, 61%, 0%, 6%)
LABlab(46.0 39.2 -77.3)
LCHlch(46.0 86.7 296.9)
OKLCHoklch(0.549 0.224 268.8)

Copy-ready code

/* CSS */
color: #3f5df1;
background-color: #3f5df1;
/* Tailwind (arbitrary) */
class="text-[#3f5df1] bg-[#3f5df1]"
/* SCSS */
$brand: #3f5df1;
/* SwiftUI */
Color(red: 0.247, green: 0.365, blue: 0.945)
/* Android */
Color.parseColor("#3f5df1")

Accessibility — WCAG contrast

Aa
#3f5df1 on white: 5.19:1
AA ✓ pass · AA-large · AAA
Aa
#3f5df1 on black: 4.05:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red24.7%
Green36.5%
Blue94.5%

CMYK percentages

Cyan73.9%
Magenta61.4%
Yellow0.0%
Key (black)5.5%

Color previews

#3f5df1 text on a black background

contrast 4.05:1

Card sample

#3f5df1 text on a white background

contrast 5.19:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #3f5df1;
Background color
Panel with #3f5df1 background
background-color: #3f5df1;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #3f5df1;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(63, 93, 241, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 93, 241, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f5df1;
background: linear-gradient(135deg, #3f5df1, #983FF1);

Monochromatic scale

Palettes built from #3f5df1

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #3f5df1 in the Color Lab