#AC403D#AC403D

#AC403D is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.1% C 0.143 H 24.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#AC403D
RGB	rgb(172, 64, 61)
HSL	hsl(2, 48%, 46%)
HSV	hsv(2, 65%, 67%)
CMYK	cmyk(0%, 62.8%, 64.5%, 32.5%)
CIE-LAB	lab(42.43, 44.02, 25.29)
CIE-LCH	lch(42.43, 50.77, 29.88°)
OKLab	oklab(52.06% 0.1292 0.0601)
OKLCH	oklch(52.06% 0.143 24.9)
XYZ	xyz(19.6909, 12.7770, 5.8433)
Luminance	0.1277 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC403D #3DA9AC

analogous

#AC3D71 #AC403D #AC773D

triadic

#AC403D #3DAC40 #403DAC

tetradic

#AC403D #71AC3D #3DA9AC #773DAC

square

#AC403D #71AC3D #3DA9AC #773DAC

split-complementary

#AC403D #3DAC77 #3D71AC

monochromatic

#521E1D #7F2F2D #AC403D #C76260 #D78F8D

Accessibility & contrast

On white

5.91

#AC403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#AC403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC403D

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC403D	#FFFFFF	#000000	##FFFFFF
##AC403D	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563C

Deuteranopia (green-blind)

#776D3A

Tritanopia (blue-blind)

#BC2940

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac403d;
/* rgb */ color: rgb(172, 64, 61);
/* oklch */ color: oklch(52.1% 0.143 24.9);

Tailwind

colors: {
  custom: {
    50: '#cb7a72',
    500: '#ac403d',
    950: '#000000',
  },
}

SCSS

$custom: #ac403d;
$custom-light: #cb7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#ac403d",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.622,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52057,
    "c": 0.14253,
    "h": 24.9
  },
  "luminance": 0.12774
}

Semantic roles & 50–950 ramp

primary

#AC403D

secondary

#84C0C1

accent

#D4D751

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC403D

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

Preview Lab → · Contrast checker → · Palette generator →