#AC4640#AC4640

#AC4640 is a mid, vivid red. Relative luminance 0.135; OKLCH L 52.9% C 0.135 H 26.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#AC4640
RGB	rgb(172, 70, 64)
HSL	hsl(3, 46%, 46%)
HSV	hsv(3, 63%, 67%)
CMYK	cmyk(0%, 59.3%, 62.8%, 32.5%)
CIE-LAB	lab(43.54, 41.40, 24.90)
CIE-LCH	lch(43.54, 48.31, 31.02°)
OKLab	oklab(52.91% 0.1215 0.0595)
OKLCH	oklch(52.91% 0.135 26.1)
XYZ	xyz(20.1307, 13.5237, 6.3998)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4640 #40A6AC

analogous

#AC4070 #AC4640 #AC7C40

triadic

#AC4640 #40AC46 #4640AC

tetradic

#AC4640 #70AC40 #40A6AC #7C40AC

square

#AC4640 #70AC40 #40A6AC #7C40AC

split-complementary

#AC4640 #40AC7C #4070AC

monochromatic

#53221F #7F342F #AC4640 #C56964 #D69491

Accessibility & contrast

On white

5.67

#AC4640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#AC4640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4640

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4640	#FFFFFF	#000000	##FFFFFF
##AC4640	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593F

Deuteranopia (green-blind)

#796F3E

Tritanopia (blue-blind)

#BC3245

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #ac4640;
/* rgb */ color: rgb(172, 70, 64);
/* oklch */ color: oklch(52.9% 0.135 26.1);

Tailwind

colors: {
  custom: {
    50: '#cb7d75',
    500: '#ac4640',
    950: '#000000',
  },
}

SCSS

$custom: #ac4640;
$custom-light: #cb7d75;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4640",
  "rgb": {
    "r": 172,
    "g": 70,
    "b": 64
  },
  "hsl": {
    "h": 3.333,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52914,
    "c": 0.13534,
    "h": 26.1
  },
  "luminance": 0.13521
}

Semantic roles & 50–950 ramp

primary

#AC4640

secondary

#87BEC1

accent

#CED552

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#140A08

muted

#837C7B

Preview Lab

Preview with #AC4640

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

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