#AC3C28#AC3C28

#AC3C28 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.2% C 0.151 H 32.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AC3C28
RGB	rgb(172, 60, 40)
HSL	hsl(9, 62%, 42%)
HSV	hsv(9, 77%, 67%)
CMYK	cmyk(0%, 65.1%, 76.7%, 32.5%)
CIE-LAB	lab(41.47, 44.73, 36.39)
CIE-LCH	lch(41.47, 57.66, 39.14°)
OKLab	oklab(51.25% 0.1272 0.0807)
OKLCH	oklch(51.25% 0.151 32.4)
XYZ	xyz(19.0142, 12.1583, 3.3526)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3C28 #2898AC

analogous

#AC2856 #AC3C28 #AC7E28

triadic

#AC3C28 #28AC3C #3C28AC

tetradic

#AC3C28 #56AC28 #2898AC #7E28AC

square

#AC3C28 #56AC28 #2898AC #7E28AC

split-complementary

#AC3C28 #28AC7E #2856AC

monochromatic

#491911 #7A2B1C #AC3C28 #D2553F #DE8171

Accessibility & contrast

On white

6.12

#AC3C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AC3C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3C28

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3C28	#FFFFFF	#000000	##FFFFFF
##AC3C28	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5225

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#BD1E38

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3c28;
/* rgb */ color: rgb(172, 60, 40);
/* oklch */ color: oklch(51.2% 0.151 32.4);

Tailwind

colors: {
  custom: {
    50: '#cd7763',
    500: '#ac3c28',
    950: '#000000',
  },
}

SCSS

$custom: #ac3c28;
$custom-light: #cd7763;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3c28",
  "rgb": {
    "r": 172,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 9.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51245,
    "c": 0.15063,
    "h": 32.4
  },
  "luminance": 0.12156
}

Semantic roles & 50–950 ramp

primary

#AC3C28

secondary

#6BB7C5

accent

#CDE542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3C28

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

Preview Lab → · Contrast checker → · Palette generator →