#AC3A28#AC3A28

#AC3A28 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.153 H 31.6°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A28
RGB	rgb(172, 58, 40)
HSL	hsl(8, 62%, 42%)
HSV	hsv(8, 77%, 67%)
CMYK	cmyk(0%, 66.3%, 76.7%, 32.5%)
CIE-LAB	lab(41.14, 45.60, 36.05)
CIE-LCH	lch(41.14, 58.13, 38.33°)
OKLab	oklab(51% 0.1299 0.0799)
OKLCH	oklch(51% 0.153 31.6)
XYZ	xyz(18.9114, 11.9527, 3.3184)
Luminance	0.1195 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A28 #289AAC

analogous

#AC2858 #AC3A28 #AC7C28

triadic

#AC3A28 #28AC3A #3A28AC

tetradic

#AC3A28 #58AC28 #289AAC #7C28AC

square

#AC3A28 #58AC28 #289AAC #7C28AC

split-complementary

#AC3A28 #28AC7C #2858AC

monochromatic

#491911 #7A291C #AC3A28 #D2533F #DE7F71

Accessibility & contrast

On white

6.19

#AC3A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#AC3A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A28

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A28	#FFFFFF	#000000	##FFFFFF
##AC3A28	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#776A24

Tritanopia (blue-blind)

#BD1A37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3a28;
/* rgb */ color: rgb(172, 58, 40);
/* oklch */ color: oklch(51.0% 0.153 31.6);

Tailwind

colors: {
  custom: {
    50: '#cd7663',
    500: '#ac3a28',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a28;
$custom-light: #cd7663;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a28",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 8.182,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51,
    "c": 0.15254,
    "h": 31.6
  },
  "luminance": 0.1195
}

Semantic roles & 50–950 ramp

primary

#AC3A28

secondary

#6BB9C5

accent

#CFE542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3A28

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

Preview Lab → · Contrast checker → · Palette generator →