#AC301F#AC301F

#AC301F is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.163 H 31.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#AC301F
RGB	rgb(172, 48, 31)
HSL	hsl(7, 69%, 40%)
HSV	hsv(7, 82%, 67%)
CMYK	cmyk(0%, 72.1%, 82%, 32.5%)
CIE-LAB	lab(39.56, 49.35, 39.31)
CIE-LCH	lch(39.56, 63.09, 38.54°)
OKLab	oklab(49.78% 0.1399 0.0842)
OKLCH	oklch(49.78% 0.163 31.1)
XYZ	xyz(18.3197, 10.9863, 2.4520)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC301F #1F9BAC

analogous

#AC1F55 #AC301F #AC771F

triadic

#AC301F #1FAC30 #301FAC

tetradic

#AC301F #55AC1F #1F9BAC #771FAC

square

#AC301F #55AC1F #1F9BAC #771FAC

split-complementary

#AC301F #1FAC77 #1F55AC

monochromatic

#44130C #782216 #AC301F #D9432F #E37263

Accessibility & contrast

On white

6.57

#AC301F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AC301F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC301F

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC301F	#FFFFFF	#000000	##FFFFFF
##AC301F	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)

#554C1C

Deuteranopia (green-blind)

#746719

Tritanopia (blue-blind)

#BE002D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac301f;
/* rgb */ color: rgb(172, 48, 31);
/* oklch */ color: oklch(49.8% 0.163 31.1);

Tailwind

colors: {
  custom: {
    50: '#ce715c',
    500: '#ac301f',
    950: '#000000',
  },
}

SCSS

$custom: #ac301f;
$custom-light: #ce715c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac301f",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 31
  },
  "hsl": {
    "h": 7.234,
    "s": 69.458,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49784,
    "c": 0.16327,
    "h": 31.1
  },
  "luminance": 0.10983
}

Semantic roles & 50–950 ramp

primary

#AC301F

secondary

#5FBBC8

accent

#D7EC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC301F

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

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