#AC4444#AC4444

#AC4444 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.7% C 0.137 H 23.0°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#AC4444
RGB	rgb(172, 68, 68)
HSL	hsl(0, 43%, 47%)
HSV	hsv(0, 60%, 67%)
CMYK	cmyk(0%, 60.5%, 60.5%, 32.5%)
CIE-LAB	lab(43.25, 42.63, 22.11)
CIE-LCH	lch(43.25, 48.03, 27.41°)
OKLab	oklab(52.72% 0.1262 0.0536)
OKLCH	oklch(52.72% 0.137 23)
XYZ	xyz(20.1256, 13.3248, 6.9799)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4444 #44ACAC

analogous

#AC4478 #AC4444 #AC7844

triadic

#AC4444 #44AC44 #4444AC

tetradic

#AC4444 #78AC44 #44ACAC #7844AC

square

#AC4444 #78AC44 #44ACAC #7844AC

split-complementary

#AC4444 #44AC78 #4478AC

monochromatic

#542121 #803333 #AC4444 #C46969 #D59595

Accessibility & contrast

On white

5.73

#AC4444 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#AC4444 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4444

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4444	#FFFFFF	#000000	##FFFFFF
##AC4444	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5843

Deuteranopia (green-blind)

#786E41

Tritanopia (blue-blind)

#BC3045

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ac4444;
/* rgb */ color: rgb(172, 68, 68);
/* oklch */ color: oklch(52.7% 0.137 23.0);

Tailwind

colors: {
  custom: {
    50: '#ca7c78',
    500: '#ac4444',
    950: '#000000',
  },
}

SCSS

$custom: #ac4444;
$custom-light: #ca7c78;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4444",
  "rgb": {
    "r": 172,
    "g": 68,
    "b": 68
  },
  "hsl": {
    "h": 0,
    "s": 43.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52715,
    "c": 0.13705,
    "h": 23
  },
  "luminance": 0.13322
}

Semantic roles & 50–950 ramp

primary

#AC4444

secondary

#8BC1C1

accent

#D3D355

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#140A08

muted

#837C7B

Preview Lab

Preview with #AC4444

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →