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#0028db

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

RGB
0, 40, 219
HSL
229°, 100%, 43%
CMYK
100, 82, 0, 14
Luminance
0.0663

Every format

HEX#0028db
RGBrgb(0, 40, 219)
HSLhsl(229, 100%, 43%)
CMYKcmyk(100%, 82%, 0%, 14%)
LABlab(30.9 58.8 -89.7)
LCHlch(30.9 107.2 303.2)
OKLCHoklch(0.430 0.261 264.2)

Copy-ready code

/* CSS */
color: #0028db;
background-color: #0028db;
/* Tailwind (arbitrary) */
class="text-[#0028db] bg-[#0028db]"
/* SCSS */
$brand: #0028db;
/* SwiftUI */
Color(red: 0.000, green: 0.157, blue: 0.859)
/* Android */
Color.parseColor("#0028db")

Accessibility — WCAG contrast

Aa
#0028db on white: 9.03:1
AA ✓ pass · AA-large · AAA
Aa
#0028db on black: 2.33:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red0.0%
Green15.7%
Blue85.9%

CMYK percentages

Cyan100.0%
Magenta81.7%
Yellow0.0%
Key (black)14.1%

Color previews

#0028db text on a black background

contrast 2.33:1

Card sample

#0028db text on a white background

contrast 9.03:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0028db;
Background color
Panel with #0028db background
background-color: #0028db;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0028db;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(0, 40, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 40, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0028db;
background: linear-gradient(135deg, #0028db, #6A00DB);

Monochromatic scale

Palettes built from #0028db

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #0028db in the Color Lab