#AC2820#AC2820

#AC2820 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.0% C 0.170 H 28.6°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#AC2820
RGB	rgb(172, 40, 32)
HSL	hsl(3, 69%, 40%)
HSV	hsv(3, 81%, 67%)
CMYK	cmyk(0%, 76.7%, 81.4%, 32.5%)
CIE-LAB	lab(38.54, 52.22, 37.78)
CIE-LCH	lch(38.54, 64.45, 35.89°)
OKLab	oklab(49.03% 0.149 0.0812)
OKLCH	oklch(49.03% 0.17 28.6)
XYZ	xyz(18.0349, 10.3954, 2.4231)
Luminance	0.1039 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2820 #20A4AC

analogous

#AC205E #AC2820 #AC6E20

triadic

#AC2820 #20AC28 #2820AC

tetradic

#AC2820 #5EAC20 #20A4AC #6E20AC

square

#AC2820 #5EAC20 #20A4AC #6E20AC

split-complementary

#AC2820 #20AC6E #205EAC

monochromatic

#45100D #781C16 #AC2820 #D93A31 #E26B64

Accessibility & contrast

On white

6.82

#AC2820 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AC2820 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2820

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2820	#FFFFFF	#000000	##FFFFFF
##AC2820	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481D

Deuteranopia (green-blind)

#71651A

Tritanopia (blue-blind)

#BE0028

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2820;
/* rgb */ color: rgb(172, 40, 32);
/* oklch */ color: oklch(49.0% 0.170 28.6);

Tailwind

colors: {
  custom: {
    50: '#ce6d5d',
    500: '#ac2820',
    950: '#000000',
  },
}

SCSS

$custom: #ac2820;
$custom-light: #ce6d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2820",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 32
  },
  "hsl": {
    "h": 3.429,
    "s": 68.627,
    "l": 40
  },
  "oklch": {
    "l": 0.4903,
    "c": 0.16973,
    "h": 28.6
  },
  "luminance": 0.10393
}

Semantic roles & 50–950 ramp

primary

#AC2820

secondary

#60C1C7

accent

#E1EB3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160804

muted

#847A79

Preview Lab

Preview with #AC2820

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

Preview Lab → · Contrast checker → · Palette generator →