#AC301E#AC301E

#AC301E is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.163 H 31.3°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#AC301E
RGB	rgb(172, 48, 30)
HSL	hsl(8, 70%, 40%)
HSV	hsv(8, 83%, 67%)
CMYK	cmyk(0%, 72.1%, 82.6%, 32.5%)
CIE-LAB	lab(39.55, 49.32, 39.82)
CIE-LCH	lch(39.55, 63.39, 38.92°)
OKLab	oklab(49.78% 0.1396 0.085)
OKLCH	oklch(49.78% 0.163 31.3)
XYZ	xyz(18.3067, 10.9811, 2.3837)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC301E #1E9AAC

analogous

#AC1E53 #AC301E #AC771E

triadic

#AC301E #1EAC30 #301EAC

tetradic

#AC301E #53AC1E #1E9AAC #771EAC

square

#AC301E #53AC1E #1E9AAC #771EAC

split-complementary

#AC301E #1EAC77 #1E53AC

monochromatic

#44130C #782115 #AC301E #DA432D #E37261

Accessibility & contrast

On white

6.57

#AC301E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AC301E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC301E

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC301E	#FFFFFF	#000000	##FFFFFF
##AC301E	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1A

Deuteranopia (green-blind)

#746718

Tritanopia (blue-blind)

#BE002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac301e;
/* rgb */ color: rgb(172, 48, 30);
/* oklch */ color: oklch(49.8% 0.163 31.3);

Tailwind

colors: {
  custom: {
    50: '#ce715c',
    500: '#ac301e',
    950: '#000000',
  },
}

SCSS

$custom: #ac301e;
$custom-light: #ce715c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac301e",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 30
  },
  "hsl": {
    "h": 7.606,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49775,
    "c": 0.16344,
    "h": 31.3
  },
  "luminance": 0.10978
}

Semantic roles & 50–950 ramp

primary

#AC301E

secondary

#5EBBC8

accent

#D6ED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC301E

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

Preview Lab → · Contrast checker → · Palette generator →