#AC503B#AC503B

#AC503B is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.3% C 0.126 H 34.2°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#AC503B
RGB	rgb(172, 80, 59)
HSL	hsl(11, 49%, 45%)
HSV	hsv(11, 66%, 67%)
CMYK	cmyk(0%, 53.5%, 65.7%, 32.5%)
CIE-LAB	lab(45.40, 36.06, 30.13)
CIE-LCH	lch(45.40, 46.99, 39.88°)
OKLab	oklab(54.29% 0.104 0.0706)
OKLCH	oklch(54.29% 0.126 34.2)
XYZ	xyz(20.6732, 14.8263, 5.9099)
Luminance	0.1482 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC503B #3B97AC

analogous

#AC3B5F #AC503B #AC883B

triadic

#AC503B #3BAC50 #503BAC

tetradic

#AC503B #5FAC3B #3B97AC #883BAC

square

#AC503B #5FAC3B #3B97AC #883BAC

split-complementary

#AC503B #3BAC88 #3B5FAC

monochromatic

#51261C #7E3B2B #AC503B #C7715D #D7998A

Accessibility & contrast

On white

5.30

#AC503B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#AC503B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC503B

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC503B	#FFFFFF	#000000	##FFFFFF
##AC503B	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F39

Deuteranopia (green-blind)

#7F7339

Tritanopia (blue-blind)

#BC3E4B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #ac503b;
/* rgb */ color: rgb(172, 80, 59);
/* oklch */ color: oklch(54.3% 0.126 34.2);

Tailwind

colors: {
  custom: {
    50: '#ca8371',
    500: '#ac503b',
    950: '#000000',
  },
}

SCSS

$custom: #ac503b;
$custom-light: #ca8371;
$custom-dark: #000000;

JSON

{
  "hex": "#ac503b",
  "rgb": {
    "r": 172,
    "g": 80,
    "b": 59
  },
  "hsl": {
    "h": 11.15,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54292,
    "c": 0.12572,
    "h": 34.2
  },
  "luminance": 0.14824
}

Semantic roles & 50–950 ramp

primary

#AC503B

secondary

#81B6C1

accent

#BFD84F

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B08

muted

#837C7B

Preview Lab

Preview with #AC503B

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

Preview Lab → · Contrast checker → · Palette generator →