#AC2929#AC2929

#AC2929 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.168 H 25.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#AC2929
RGB	rgb(172, 41, 41)
HSL	hsl(0, 62%, 42%)
HSV	hsv(0, 76%, 67%)
CMYK	cmyk(0%, 76.2%, 76.2%, 32.5%)
CIE-LAB	lab(38.76, 52.21, 32.89)
CIE-LCH	lch(38.76, 61.70, 32.21°)
OKLab	oklab(49.22% 0.1509 0.0733)
OKLCH	oklch(49.22% 0.168 25.9)
XYZ	xyz(18.2086, 10.5195, 3.1691)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2929 #29ACAC

analogous

#AC296B #AC2929 #AC6B29

triadic

#AC2929 #29AC29 #2929AC

tetradic

#AC2929 #6BAC29 #29ACAC #6B29AC

square

#AC2929 #6BAC29 #29ACAC #6B29AC

split-complementary

#AC2929 #29AC6B #296BAC

monochromatic

#491111 #7B1D1D #AC2929 #D24141 #DD7272

Accessibility & contrast

On white

6.77

#AC2929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AC2929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2929

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2929	#FFFFFF	#000000	##FFFFFF
##AC2929	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514927

Deuteranopia (green-blind)

#716624

Tritanopia (blue-blind)

#BE002B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #ac2929;
/* rgb */ color: rgb(172, 41, 41);
/* oklch */ color: oklch(49.2% 0.168 25.9);

Tailwind

colors: {
  custom: {
    50: '#cd6e63',
    500: '#ac2929',
    950: '#000000',
  },
}

SCSS

$custom: #ac2929;
$custom-light: #cd6e63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2929",
  "rgb": {
    "r": 172,
    "g": 41,
    "b": 41
  },
  "hsl": {
    "h": 0,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49222,
    "c": 0.16774,
    "h": 25.9
  },
  "luminance": 0.10517
}

Semantic roles & 50–950 ramp

primary

#AC2929

secondary

#6CC5C5

accent

#E5E543

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC2929

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

Preview Lab → · Contrast checker → · Palette generator →