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#ac3549

a dark, vivid red · warm · closest name: firebrick

RGB
172, 53, 73
HSL
350°, 53%, 44%
CMYK
0, 69, 58, 33
Luminance
0.1180

Every format

HEX#ac3549
RGBrgb(172, 53, 73)
HSLhsl(350, 53%, 44%)
CMYKcmyk(0%, 69%, 58%, 33%)
LABlab(40.9 49.6 15.9)
LCHlch(40.9 52.1 17.8)
OKLCHoklch(0.510 0.154 14.8)

Copy-ready code

/* CSS */
color: #ac3549;
background-color: #ac3549;
/* Tailwind (arbitrary) */
class="text-[#ac3549] bg-[#ac3549]"
/* SCSS */
$brand: #ac3549;
/* SwiftUI */
Color(red: 0.675, green: 0.208, blue: 0.286)
/* Android */
Color.parseColor("#ac3549")

Accessibility — WCAG contrast

Aa
#ac3549 on white: 6.25:1
AA ✓ pass · AA-large · AAA
Aa
#ac3549 on black: 3.36:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red67.5%
Green20.8%
Blue28.6%

CMYK percentages

Cyan0.0%
Magenta69.2%
Yellow57.6%
Key (black)32.5%

Color previews

#ac3549 text on a black background

contrast 3.36:1

Card sample

#ac3549 text on a white background

contrast 6.25:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ac3549;
Background color
Panel with #ac3549 background
background-color: #ac3549;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ac3549;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(172, 53, 73, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(172, 53, 73, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ac3549;
background: linear-gradient(135deg, #ac3549, #AC7035);

Monochromatic scale

Palettes built from #ac3549

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #ac3549 in the Color Lab