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#173ddf

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

RGB
23, 61, 223
HSL
229°, 81%, 48%
CMYK
90, 73, 0, 13
Luminance
0.0885

Every format

HEX#173ddf
RGBrgb(23, 61, 223)
HSLhsl(229, 81%, 48%)
CMYKcmyk(90%, 73%, 0%, 13%)
LABlab(35.7 49.4 -84.1)
LCHlch(35.7 97.5 300.5)
OKLCHoklch(0.466 0.245 265.4)

Copy-ready code

/* CSS */
color: #173ddf;
background-color: #173ddf;
/* Tailwind (arbitrary) */
class="text-[#173ddf] bg-[#173ddf]"
/* SCSS */
$brand: #173ddf;
/* SwiftUI */
Color(red: 0.090, green: 0.239, blue: 0.875)
/* Android */
Color.parseColor("#173ddf")

Accessibility — WCAG contrast

Aa
#173ddf on white: 7.58:1
AA ✓ pass · AA-large · AAA
Aa
#173ddf on black: 2.77:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red9.0%
Green23.9%
Blue87.5%

CMYK percentages

Cyan89.7%
Magenta72.6%
Yellow0.0%
Key (black)12.5%

Color previews

#173ddf text on a black background

contrast 2.77:1

Card sample

#173ddf text on a white background

contrast 7.58:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #173ddf;
Background color
Panel with #173ddf background
background-color: #173ddf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #173ddf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(23, 61, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 61, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #173ddf;
background: linear-gradient(135deg, #173ddf, #7617DF);

Monochromatic scale

Palettes built from #173ddf

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #173ddf in the Color Lab