#AC3A29#AC3A29

#AC3A29 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.152 H 31.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A29
RGB	rgb(172, 58, 41)
HSL	hsl(8, 62%, 42%)
HSV	hsv(8, 76%, 67%)
CMYK	cmyk(0%, 66.3%, 76.2%, 32.5%)
CIE-LAB	lab(41.15, 45.64, 35.50)
CIE-LCH	lch(41.15, 57.82, 37.88°)
OKLab	oklab(51.01% 0.1303 0.079)
OKLCH	oklch(51.01% 0.152 31.2)
XYZ	xyz(18.9286, 11.9596, 3.4091)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A29 #299BAC

analogous

#AC295A #AC3A29 #AC7C29

triadic

#AC3A29 #29AC3A #3A29AC

tetradic

#AC3A29 #5AAC29 #299BAC #7C29AC

square

#AC3A29 #5AAC29 #299BAC #7C29AC

split-complementary

#AC3A29 #29AC7C #295AAC

monochromatic

#491911 #7B291D #AC3A29 #D25341 #DD8072

Accessibility & contrast

On white

6.19

#AC3A29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#AC3A29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A29

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A29	#FFFFFF	#000000	##FFFFFF
##AC3A29	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5126

Deuteranopia (green-blind)

#776A25

Tritanopia (blue-blind)

#BD1A37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3a29;
/* rgb */ color: rgb(172, 58, 41);
/* oklch */ color: oklch(51.0% 0.152 31.2);

Tailwind

colors: {
  custom: {
    50: '#cd7664',
    500: '#ac3a29',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a29;
$custom-light: #cd7664;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a29",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 41
  },
  "hsl": {
    "h": 7.786,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51011,
    "c": 0.15234,
    "h": 31.2
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary

#AC3A29

secondary

#6CB9C5

accent

#D0E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3A29

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

Preview Lab → · Contrast checker → · Palette generator →