#AC291E#AC291E

#AC291E is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.169 H 29.4°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#AC291E
RGB	rgb(172, 41, 30)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 83%, 67%)
CMYK	cmyk(0%, 76.2%, 82.6%, 32.5%)
CIE-LAB	lab(38.64, 51.83, 38.96)
CIE-LCH	lch(38.64, 64.84, 36.93°)
OKLab	oklab(49.1% 0.1474 0.0831)
OKLCH	oklch(49.1% 0.169 29.4)
XYZ	xyz(18.0427, 10.4531, 2.2957)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC291E #1EA1AC

analogous

#AC1E5A #AC291E #AC701E

triadic

#AC291E #1EAC29 #291EAC

tetradic

#AC291E #5AAC1E #1EA1AC #701EAC

square

#AC291E #5AAC1E #1EA1AC #701EAC

split-complementary

#AC291E #1EAC70 #1E5AAC

monochromatic

#44100C #781D15 #AC291E #DA3A2D #E36B61

Accessibility & contrast

On white

6.80

#AC291E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#AC291E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC291E

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC291E	#FFFFFF	#000000	##FFFFFF
##AC291E	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491B

Deuteranopia (green-blind)

#726517

Tritanopia (blue-blind)

#BE0028

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac291e;
/* rgb */ color: rgb(172, 41, 30);
/* oklch */ color: oklch(49.1% 0.169 29.4);

Tailwind

colors: {
  custom: {
    50: '#ce6e5b',
    500: '#ac291e',
    950: '#000000',
  },
}

SCSS

$custom: #ac291e;
$custom-light: #ce6e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac291e",
  "rgb": {
    "r": 172,
    "g": 41,
    "b": 30
  },
  "hsl": {
    "h": 4.648,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49099,
    "c": 0.16921,
    "h": 29.4
  },
  "luminance": 0.1045
}

Semantic roles & 50–950 ramp

primary

#AC291E

secondary

#5EC0C8

accent

#DFED3B

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AC291E

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

Preview Lab → · Contrast checker → · Palette generator →