#AC281D#AC281D

#AC281D is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.170 H 29.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AC281D
RGB	rgb(172, 40, 29)
HSL	hsl(5, 71%, 39%)
HSV	hsv(5, 83%, 67%)
CMYK	cmyk(0%, 76.7%, 83.1%, 32.5%)
CIE-LAB	lab(38.52, 52.13, 39.37)
CIE-LCH	lch(38.52, 65.33, 37.06°)
OKLab	oklab(49% 0.1482 0.0836)
OKLCH	oklch(49% 0.17 29.4)
XYZ	xyz(17.9960, 10.3798, 2.2181)
Luminance	0.1038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC281D #1DA1AC

analogous

#AC1D5A #AC281D #AC6F1D

triadic

#AC281D #1DAC28 #281DAC

tetradic

#AC281D #5AAC1D #1DA1AC #6F1DAC

square

#AC281D #5AAC1D #1DA1AC #6F1DAC

split-complementary

#AC281D #1DAC6F #1D5AAC

monochromatic

#43100B #781C14 #AC281D #DB392B #E46A5F

Accessibility & contrast

On white

6.83

#AC281D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AC281D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC281D

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC281D	#FFFFFF	#000000	##FFFFFF
##AC281D	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481A

Deuteranopia (green-blind)

#726516

Tritanopia (blue-blind)

#BE0027

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac281d;
/* rgb */ color: rgb(172, 40, 29);
/* oklch */ color: oklch(49.0% 0.170 29.4);

Tailwind

colors: {
  custom: {
    50: '#ce6d5b',
    500: '#ac281d',
    950: '#000000',
  },
}

SCSS

$custom: #ac281d;
$custom-light: #ce6d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#ac281d",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 29
  },
  "hsl": {
    "h": 4.615,
    "s": 71.144,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49001,
    "c": 0.17013,
    "h": 29.4
  },
  "luminance": 0.10377
}

Semantic roles & 50–950 ramp

primary

#AC281D

secondary

#5CC0C8

accent

#E0EE3A

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AC281D

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

Preview Lab → · Contrast checker → · Palette generator →