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#0b64df

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

RGB
11, 100, 223
HSL
215°, 91%, 46%
CMYK
95, 55, 0, 13
Luminance
0.1451

Every format

HEX#0b64df
RGBrgb(11, 100, 223)
HSLhsl(215, 91%, 46%)
CMYKcmyk(95%, 55%, 0%, 13%)
LABlab(45.0 24.4 -68.9)
LCHlch(45.0 73.1 289.5)
OKLCHoklch(0.534 0.203 259.3)

Copy-ready code

/* CSS */
color: #0b64df;
background-color: #0b64df;
/* Tailwind (arbitrary) */
class="text-[#0b64df] bg-[#0b64df]"
/* SCSS */
$brand: #0b64df;
/* SwiftUI */
Color(red: 0.043, green: 0.392, blue: 0.875)
/* Android */
Color.parseColor("#0b64df")

Accessibility — WCAG contrast

Aa
#0b64df on white: 5.38:1
AA ✓ pass · AA-large · AAA
Aa
#0b64df on black: 3.90:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red4.3%
Green39.2%
Blue87.5%

CMYK percentages

Cyan95.1%
Magenta55.2%
Yellow0.0%
Key (black)12.5%

Color previews

#0b64df text on a black background

contrast 3.90:1

Card sample

#0b64df text on a white background

contrast 5.38:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0b64df;
Background color
Panel with #0b64df background
background-color: #0b64df;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0b64df;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(11, 100, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(11, 100, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0b64df;
background: linear-gradient(135deg, #0b64df, #3F0BDF);

Monochromatic scale

Palettes built from #0b64df

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0b64df in the Color Lab