#AC312A#AC312A

#AC312A is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.161 H 27.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#AC312A
RGB	rgb(172, 49, 42)
HSL	hsl(3, 61%, 42%)
HSV	hsv(3, 76%, 67%)
CMYK	cmyk(0%, 71.5%, 75.6%, 32.5%)
CIE-LAB	lab(39.81, 49.37, 33.47)
CIE-LCH	lch(39.81, 59.64, 34.14°)
OKLab	oklab(50.01% 0.1422 0.0748)
OKLCH	oklch(50.01% 0.161 27.8)
XYZ	xyz(18.5316, 11.1373, 3.3640)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC312A #2AA5AC

analogous

#AC2A64 #AC312A #AC722A

triadic

#AC312A #2AAC31 #312AAC

tetradic

#AC312A #64AC2A #2AA5AC #722AAC

square

#AC312A #64AC2A #2AA5AC #722AAC

split-complementary

#AC312A #2AAC72 #2A64AC

monochromatic

#4A1512 #7B231E #AC312A #D14A42 #DD7973

Accessibility & contrast

On white

6.51

#AC312A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AC312A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC312A

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC312A	#FFFFFF	#000000	##FFFFFF
##AC312A	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D28

Deuteranopia (green-blind)

#736825

Tritanopia (blue-blind)

#BD0031

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac312a;
/* rgb */ color: rgb(172, 49, 42);
/* oklch */ color: oklch(50.0% 0.161 27.8);

Tailwind

colors: {
  custom: {
    50: '#cd7264',
    500: '#ac312a',
    950: '#000000',
  },
}

SCSS

$custom: #ac312a;
$custom-light: #cd7264;
$custom-dark: #000000;

JSON

{
  "hex": "#ac312a",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 42
  },
  "hsl": {
    "h": 3.231,
    "s": 60.748,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5001,
    "c": 0.16063,
    "h": 27.8
  },
  "luminance": 0.11134
}

Semantic roles & 50–950 ramp

primary

#AC312A

secondary

#6DC0C4

accent

#DBE444

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AC312A

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

Preview Lab → · Contrast checker → · Palette generator →