#AC553B#AC553B

#AC553B is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.1% C 0.121 H 37.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#AC553B
RGB	rgb(172, 85, 59)
HSL	hsl(14, 49%, 45%)
HSV	hsv(14, 66%, 67%)
CMYK	cmyk(0%, 50.6%, 65.7%, 32.5%)
CIE-LAB	lab(46.43, 33.45, 31.37)
CIE-LCH	lch(46.43, 45.86, 43.17°)
OKLab	oklab(55.08% 0.0959 0.0734)
OKLCH	oklch(55.08% 0.121 37.4)
XYZ	xyz(21.0530, 15.5859, 6.0365)
Luminance	0.1558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC553B #3B92AC

analogous

#AC3B5A #AC553B #AC8D3B

triadic

#AC553B #3BAC55 #553BAC

tetradic

#AC553B #5AAC3B #3B92AC #8D3BAC

square

#AC553B #5AAC3B #3B92AC #8D3BAC

split-complementary

#AC553B #3BAC8D #3B5AAC

monochromatic

#51281C #7E3E2B #AC553B #C7755D #D79C8A

Accessibility & contrast

On white

5.10

#AC553B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#AC553B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC553B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC553B	#FFFFFF	#000000	##FFFFFF
##AC553B	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6238

Deuteranopia (green-blind)

#817539

Tritanopia (blue-blind)

#BC454F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ac553b;
/* rgb */ color: rgb(172, 85, 59);
/* oklch */ color: oklch(55.1% 0.121 37.4);

Tailwind

colors: {
  custom: {
    50: '#ca8771',
    500: '#ac553b',
    950: '#000000',
  },
}

SCSS

$custom: #ac553b;
$custom-light: #ca8771;
$custom-dark: #000000;

JSON

{
  "hex": "#ac553b",
  "rgb": {
    "r": 172,
    "g": 85,
    "b": 59
  },
  "hsl": {
    "h": 13.805,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.55077,
    "c": 0.12077,
    "h": 37.4
  },
  "luminance": 0.15583
}

Semantic roles & 50–950 ramp

primary

#AC553B

secondary

#81B3C1

accent

#B9D84F

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B08

muted

#837C7B

Preview Lab

Preview with #AC553B

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

Preview Lab → · Contrast checker → · Palette generator →