#AC272B#AC272B

#AC272B is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.169 H 24.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#AC272B
RGB	rgb(172, 39, 43)
HSL	hsl(358, 63%, 41%)
HSV	hsv(358, 77%, 67%)
CMYK	cmyk(0%, 77.3%, 75%, 32.5%)
CIE-LAB	lab(38.55, 52.94, 31.47)
CIE-LCH	lch(38.55, 61.59, 30.73°)
OKLab	oklab(49.07% 0.1537 0.0707)
OKLCH	oklch(49.07% 0.169 24.7)
XYZ	xyz(18.1769, 10.3990, 3.3351)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC272B #27ACA8

analogous

#AC276E #AC272B #AC6627

triadic

#AC272B #2BAC27 #272BAC

tetradic

#AC272B #6EAC27 #27ACA8 #6627AC

square

#AC272B #6EAC27 #27ACA8 #6627AC

split-complementary

#AC272B #27AC66 #276EAC

monochromatic

#481012 #7A1C1F #AC272B #D33D42 #DE6F72

Accessibility & contrast

On white

6.82

#AC272B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#AC272B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC272B

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC272B	#FFFFFF	#000000	##FFFFFF
##AC272B	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)

#50482A

Deuteranopia (green-blind)

#706526

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac272b;
/* rgb */ color: rgb(172, 39, 43);
/* oklch */ color: oklch(49.1% 0.169 24.7);

Tailwind

colors: {
  custom: {
    50: '#cd6d64',
    500: '#ac272b',
    950: '#000000',
  },
}

SCSS

$custom: #ac272b;
$custom-light: #cd6d64;
$custom-dark: #000000;

JSON

{
  "hex": "#ac272b",
  "rgb": {
    "r": 172,
    "g": 39,
    "b": 43
  },
  "hsl": {
    "h": 358.195,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49074,
    "c": 0.16914,
    "h": 24.7
  },
  "luminance": 0.10396
}

Semantic roles & 50–950 ramp

primary

#AC272B

secondary

#6AC5C2

accent

#E6E142

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AC272B

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

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