#AC3B29#AC3B29

#AC3B29 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.151 H 31.6°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#AC3B29
RGB	rgb(172, 59, 41)
HSL	hsl(8, 62%, 42%)
HSV	hsv(8, 76%, 67%)
CMYK	cmyk(0%, 65.7%, 76.2%, 32.5%)
CIE-LAB	lab(41.31, 45.21, 35.68)
CIE-LCH	lch(41.31, 57.59, 38.28°)
OKLab	oklab(51.13% 0.1289 0.0794)
OKLCH	oklch(51.13% 0.151 31.6)
XYZ	xyz(18.9795, 12.0614, 3.4261)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3B29 #299AAC

analogous

#AC2959 #AC3B29 #AC7D29

triadic

#AC3B29 #29AC3B #3B29AC

tetradic

#AC3B29 #59AC29 #299AAC #7D29AC

square

#AC3B29 #59AC29 #299AAC #7D29AC

split-complementary

#AC3B29 #29AC7D #2959AC

monochromatic

#491911 #7B2A1D #AC3B29 #D25541 #DD8172

Accessibility & contrast

On white

6.16

#AC3B29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AC3B29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3B29

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3B29	#FFFFFF	#000000	##FFFFFF
##AC3B29	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5226

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#BD1C38

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3b29;
/* rgb */ color: rgb(172, 59, 41);
/* oklch */ color: oklch(51.1% 0.151 31.6);

Tailwind

colors: {
  custom: {
    50: '#cd7764',
    500: '#ac3b29',
    950: '#000000',
  },
}

SCSS

$custom: #ac3b29;
$custom-light: #cd7764;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3b29",
  "rgb": {
    "r": 172,
    "g": 59,
    "b": 41
  },
  "hsl": {
    "h": 8.244,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51133,
    "c": 0.15138,
    "h": 31.6
  },
  "luminance": 0.12059
}

Semantic roles & 50–950 ramp

primary

#AC3B29

secondary

#6CB8C5

accent

#CEE543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3B29

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

Preview Lab → · Contrast checker → · Palette generator →