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#403cef

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

RGB
64, 60, 239
HSL
241°, 85%, 59%
CMYK
73, 75, 0, 6
Luminance
0.1055

Every format

HEX#403cef
RGBrgb(64, 60, 239)
HSLhsl(241, 85%, 59%)
CMYKcmyk(73%, 75%, 0%, 6%)
LABlab(38.8 57.6 -87.9)
LCHlch(38.8 105.2 303.2)
OKLCHoklch(0.497 0.255 273.0)

Copy-ready code

/* CSS */
color: #403cef;
background-color: #403cef;
/* Tailwind (arbitrary) */
class="text-[#403cef] bg-[#403cef]"
/* SCSS */
$brand: #403cef;
/* SwiftUI */
Color(red: 0.251, green: 0.235, blue: 0.937)
/* Android */
Color.parseColor("#403cef")

Accessibility — WCAG contrast

Aa
#403cef on white: 6.75:1
AA ✓ pass · AA-large · AAA
Aa
#403cef on black: 3.11:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red25.1%
Green23.5%
Blue93.7%

CMYK percentages

Cyan73.2%
Magenta74.9%
Yellow0.0%
Key (black)6.3%

Color previews

#403cef text on a black background

contrast 3.11:1

Card sample

#403cef text on a white background

contrast 6.75:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #403cef;
Background color
Panel with #403cef background
background-color: #403cef;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #403cef;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(64, 60, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(64, 60, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #403cef;
background: linear-gradient(135deg, #403cef, #B73CEF);

Monochromatic scale

Palettes built from #403cef

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #403cef in the Color Lab