#AC3C40#AC3C40

#AC3C40 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.147 H 21.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#AC3C40
RGB	rgb(172, 60, 64)
HSL	hsl(358, 48%, 45%)
HSV	hsv(358, 65%, 67%)
CMYK	cmyk(0%, 65.1%, 62.8%, 32.5%)
CIE-LAB	lab(41.81, 46.01, 22.69)
CIE-LCH	lch(41.81, 51.30, 26.25°)
OKLab	oklab(51.61% 0.1361 0.0545)
OKLCH	oklch(51.61% 0.147 21.8)
XYZ	xyz(19.5564, 12.3752, 6.2083)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3C40 #3CACA8

analogous

#AC3C78 #AC3C40 #AC703C

triadic

#AC3C40 #40AC3C #3C40AC

tetradic

#AC3C40 #78AC3C #3CACA8 #703CAC

square

#AC3C40 #78AC3C #3CACA8 #703CAC

split-complementary

#AC3C40 #3CAC70 #3C78AC

monochromatic

#511C1E #7F2C2F #AC3C40 #C75E62 #D78C8E

Accessibility & contrast

On white

6.04

#AC3C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AC3C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3C40

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3C40	#FFFFFF	#000000	##FFFFFF
##AC3C40	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59543F

Deuteranopia (green-blind)

#756B3D

Tritanopia (blue-blind)

#BC243E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3c40;
/* rgb */ color: rgb(172, 60, 64);
/* oklch */ color: oklch(51.6% 0.147 21.8);

Tailwind

colors: {
  custom: {
    50: '#cb7874',
    500: '#ac3c40',
    950: '#000000',
  },
}

SCSS

$custom: #ac3c40;
$custom-light: #cb7874;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3c40",
  "rgb": {
    "r": 172,
    "g": 60,
    "b": 64
  },
  "hsl": {
    "h": 357.857,
    "s": 48.276,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51609,
    "c": 0.14662,
    "h": 21.8
  },
  "luminance": 0.12373
}

Semantic roles & 50–950 ramp

primary

#AC3C40

secondary

#82C1BF

accent

#D8D350

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3C40

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

Preview Lab → · Contrast checker → · Palette generator →