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#2b4ddf

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

RGB
43, 77, 223
HSL
229°, 74%, 52%
CMYK
81, 66, 0, 13
Luminance
0.1115

Every format

HEX#2b4ddf
RGBrgb(43, 77, 223)
HSLhsl(229, 74%, 52%)
CMYKcmyk(81%, 66%, 0%, 13%)
LABlab(39.8 40.9 -77.2)
LCHlch(39.8 87.4 297.9)
OKLCHoklch(0.497 0.224 267.0)

Copy-ready code

/* CSS */
color: #2b4ddf;
background-color: #2b4ddf;
/* Tailwind (arbitrary) */
class="text-[#2b4ddf] bg-[#2b4ddf]"
/* SCSS */
$brand: #2b4ddf;
/* SwiftUI */
Color(red: 0.169, green: 0.302, blue: 0.875)
/* Android */
Color.parseColor("#2b4ddf")

Accessibility — WCAG contrast

Aa
#2b4ddf on white: 6.50:1
AA ✓ pass · AA-large · AAA
Aa
#2b4ddf on black: 3.23:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red16.9%
Green30.2%
Blue87.5%

CMYK percentages

Cyan80.7%
Magenta65.5%
Yellow0.0%
Key (black)12.5%

Color previews

#2b4ddf text on a black background

contrast 3.23:1

Card sample

#2b4ddf text on a white background

contrast 6.50:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #2b4ddf;
Background color
Panel with #2b4ddf background
background-color: #2b4ddf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #2b4ddf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(43, 77, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(43, 77, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2b4ddf;
background: linear-gradient(135deg, #2b4ddf, #812BDF);

Monochromatic scale

Palettes built from #2b4ddf

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #2b4ddf in the Color Lab