#AC242B#AC242B

#AC242B is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.172 H 24.0°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#AC242B
RGB	rgb(172, 36, 43)
HSL	hsl(357, 65%, 41%)
HSV	hsv(357, 79%, 67%)
CMYK	cmyk(0%, 79.1%, 75%, 32.5%)
CIE-LAB	lab(38.22, 53.88, 31.10)
CIE-LCH	lch(38.22, 62.21, 29.99°)
OKLab	oklab(48.83% 0.1566 0.0699)
OKLCH	oklch(48.83% 0.172 24)
XYZ	xyz(18.0823, 10.2097, 3.3036)
Luminance	0.1021 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC242B #24ACA5

analogous

#AC246F #AC242B #AC6124

triadic

#AC242B #2BAC24 #242BAC

tetradic

#AC242B #6FAC24 #24ACA5 #6124AC

square

#AC242B #6FAC24 #24ACA5 #6124AC

split-complementary

#AC242B #24AC61 #246FAC

monochromatic

#470F12 #79191E #AC242B #D53840 #E06A71

Accessibility & contrast

On white

6.90

#AC242B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#AC242B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC242B

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC242B	#FFFFFF	#000000	##FFFFFF
##AC242B	1.00	6.90	3.04	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E472A

Deuteranopia (green-blind)

#706426

Tritanopia (blue-blind)

#BE0028

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #ac242b;
/* rgb */ color: rgb(172, 36, 43);
/* oklch */ color: oklch(48.8% 0.172 24.0);

Tailwind

colors: {
  custom: {
    50: '#cd6c64',
    500: '#ac242b',
    950: '#000000',
  },
}

SCSS

$custom: #ac242b;
$custom-light: #cd6c64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac242b",
  "rgb": {
    "r": 172,
    "g": 36,
    "b": 43
  },
  "hsl": {
    "h": 356.912,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48826,
    "c": 0.17151,
    "h": 24
  },
  "luminance": 0.10207
}

Semantic roles & 50–950 ramp

primary

#AC242B

secondary

#66C6C1

accent

#E8E03F

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AC242B

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

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