#AC3031#AC3031

#AC3031 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.161 H 24.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#AC3031
RGB	rgb(172, 48, 49)
HSL	hsl(360, 56%, 43%)
HSV	hsv(360, 72%, 67%)
CMYK	cmyk(0%, 72.1%, 71.5%, 32.5%)
CIE-LAB	lab(39.76, 50.07, 29.28)
CIE-LCH	lch(39.76, 58.00, 30.32°)
OKLab	oklab(50% 0.1459 0.0672)
OKLCH	oklch(50% 0.161 24.7)
XYZ	xyz(18.6267, 11.1091, 4.0686)
Luminance	0.1111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3031 #30ACAB

analogous

#AC306F #AC3031 #AC6D30

triadic

#AC3031 #31AC30 #3031AC

tetradic

#AC3031 #6FAC30 #30ACAB #6D30AC

square

#AC3031 #6FAC30 #30ACAB #6D30AC

split-complementary

#AC3031 #30AC6D #306FAC

monochromatic

#4C1516 #7C2323 #AC3031 #CD4C4D #DA7C7D

Accessibility & contrast

On white

6.52

#AC3031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AC3031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3031

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3031	#FFFFFF	#000000	##FFFFFF
##AC3031	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D30

Deuteranopia (green-blind)

#73672D

Tritanopia (blue-blind)

#BD0032

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3031;
/* rgb */ color: rgb(172, 48, 49);
/* oklch */ color: oklch(50.0% 0.161 24.7);

Tailwind

colors: {
  custom: {
    50: '#cd7169',
    500: '#ac3031',
    950: '#000000',
  },
}

SCSS

$custom: #ac3031;
$custom-light: #cd7169;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3031",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.516,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50004,
    "c": 0.16058,
    "h": 24.7
  },
  "luminance": 0.11106
}

Semantic roles & 50–950 ramp

primary

#AC3031

secondary

#75C3C2

accent

#E0DE48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AC3031

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

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