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#2b4df3

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

RGB
43, 77, 243
HSL
230°, 89%, 56%
CMYK
82, 68, 0, 5
Luminance
0.1229

Every format

HEX#2b4df3
RGBrgb(43, 77, 243)
HSLhsl(230, 89%, 56%)
CMYKcmyk(82%, 68%, 0%, 5%)
LABlab(41.7 47.9 -85.5)
LCHlch(41.7 98.0 299.3)
OKLCHoklch(0.516 0.248 267.0)

Copy-ready code

/* CSS */
color: #2b4df3;
background-color: #2b4df3;
/* Tailwind (arbitrary) */
class="text-[#2b4df3] bg-[#2b4df3]"
/* SCSS */
$brand: #2b4df3;
/* SwiftUI */
Color(red: 0.169, green: 0.302, blue: 0.953)
/* Android */
Color.parseColor("#2b4df3")

Accessibility — WCAG contrast

Aa
#2b4df3 on white: 6.07:1
AA ✓ pass · AA-large · AAA
Aa
#2b4df3 on black: 3.46:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red16.9%
Green30.2%
Blue95.3%

CMYK percentages

Cyan82.3%
Magenta68.3%
Yellow0.0%
Key (black)4.7%

Color previews

#2b4df3 text on a black background

contrast 3.46:1

Card sample

#2b4df3 text on a white background

contrast 6.07:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #2b4df3;
Background color
Panel with #2b4df3 background
background-color: #2b4df3;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #2b4df3;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(43, 77, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(43, 77, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2b4df3;
background: linear-gradient(135deg, #2b4df3, #8E2BF3);

Monochromatic scale

Palettes built from #2b4df3

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #2b4df3 in the Color Lab