#AC2829#AC2829

#AC2829 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.169 H 25.7°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#AC2829
RGB	rgb(172, 40, 41)
HSL	hsl(360, 62%, 42%)
HSV	hsv(360, 77%, 67%)
CMYK	cmyk(0%, 76.7%, 76.2%, 32.5%)
CIE-LAB	lab(38.64, 52.54, 32.76)
CIE-LCH	lch(38.64, 61.91, 31.95°)
OKLab	oklab(49.13% 0.1519 0.073)
OKLCH	oklch(49.13% 0.169 25.7)
XYZ	xyz(18.1744, 10.4512, 3.1577)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2829 #28ACAB

analogous

#AC286B #AC2829 #AC6928

triadic

#AC2829 #29AC28 #2829AC

tetradic

#AC2829 #6BAC28 #28ACAB #6928AC

square

#AC2829 #6BAC28 #28ACAB #6928AC

split-complementary

#AC2829 #28AC69 #286BAC

monochromatic

#491111 #7A1C1D #AC2829 #D23F40 #DE7171

Accessibility & contrast

On white

6.80

#AC2829 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#AC2829 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2829

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2829	#FFFFFF	#000000	##FFFFFF
##AC2829	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504927

Deuteranopia (green-blind)

#716524

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2829;
/* rgb */ color: rgb(172, 40, 41);
/* oklch */ color: oklch(49.1% 0.169 25.7);

Tailwind

colors: {
  custom: {
    50: '#cd6d63',
    500: '#ac2829',
    950: '#000000',
  },
}

SCSS

$custom: #ac2829;
$custom-light: #cd6d63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2829",
  "rgb": {
    "r": 172,
    "g": 40,
    "b": 41
  },
  "hsl": {
    "h": 359.545,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49134,
    "c": 0.16857,
    "h": 25.7
  },
  "luminance": 0.10448
}

Semantic roles & 50–950 ramp

primary

#AC2829

secondary

#6BC5C4

accent

#E5E442

background

#FDF6F5

surface

#FBECEA

border

#D4C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2829

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

Preview Lab → · Contrast checker → · Palette generator →