#AC2840#AC2840

#AC2840 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.167 H 16.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#AC2840
RGB	rgb(172, 40, 64)
HSL	hsl(349, 62%, 42%)
HSV	hsv(349, 77%, 67%)
CMYK	cmyk(0%, 76.7%, 62.8%, 32.5%)
CIE-LAB	lab(39.00, 53.72, 19.06)
CIE-LCH	lch(39.00, 57.00, 19.53°)
OKLab	oklab(49.52% 0.1607 0.0462)
OKLCH	oklch(49.52% 0.167 16)
XYZ	xyz(18.6994, 10.6612, 5.9227)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2840 #28AC94

analogous

#AC2882 #AC2840 #AC5228

triadic

#AC2840 #40AC28 #2840AC

tetradic

#AC2840 #82AC28 #28AC94 #5228AC

square

#AC2840 #82AC28 #28AC94 #5228AC

split-complementary

#AC2840 #28AC52 #2882AC

monochromatic

#49111B #7A1C2E #AC2840 #D23F5A #DE7184

Accessibility & contrast

On white

6.71

#AC2840 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#AC2840 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2840

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2840	#FFFFFF	#000000	##FFFFFF
##AC2840	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4A40

Deuteranopia (green-blind)

#6F663C

Tritanopia (blue-blind)

#BD0032

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2840;
/* rgb */ color: rgb(172, 40, 64);
/* oklch */ color: oklch(49.5% 0.167 16.0);

Tailwind

colors: {
  custom: {
    50: '#cc6e74',
    500: '#ac2840',
    950: '#000000',
  },
}

SCSS

$custom: #ac2840;
$custom-light: #cc6e74;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2840",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 64
  },
  "hsl": {
    "h": 349.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.4952,
    "c": 0.16718,
    "h": 16
  },
  "luminance": 0.10658
}

Semantic roles & 50–950 ramp

primary

#AC2840

secondary

#6BC5B4

accent

#E5C842

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AC2840

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

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