#AC3D31#AC3D31

#AC3D31 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.5% C 0.148 H 29.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#AC3D31
RGB	rgb(172, 61, 49)
HSL	hsl(6, 56%, 43%)
HSV	hsv(6, 72%, 67%)
CMYK	cmyk(0%, 64.5%, 71.5%, 32.5%)
CIE-LAB	lab(41.74, 44.69, 31.59)
CIE-LCH	lch(41.74, 54.73, 35.25°)
OKLab	oklab(51.48% 0.1289 0.0722)
OKLCH	oklch(51.48% 0.148 29.3)
XYZ	xyz(19.2384, 12.3326, 4.2725)
Luminance	0.1233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3D31 #31A0AC

analogous

#AC3162 #AC3D31 #AC7A31

triadic

#AC3D31 #31AC3D #3D31AC

tetradic

#AC3D31 #62AC31 #31A0AC #7A31AC

square

#AC3D31 #62AC31 #31A0AC #7A31AC

split-complementary

#AC3D31 #31AC7A #3162AC

monochromatic

#4D1B16 #7C2C23 #AC3D31 #CC5A4E #DA867D

Accessibility & contrast

On white

6.06

#AC3D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AC3D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3D31

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3D31	#FFFFFF	#000000	##FFFFFF
##AC3D31	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532F

Deuteranopia (green-blind)

#776B2E

Tritanopia (blue-blind)

#BD223B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3d31;
/* rgb */ color: rgb(172, 61, 49);
/* oklch */ color: oklch(51.5% 0.148 29.3);

Tailwind

colors: {
  custom: {
    50: '#cc7869',
    500: '#ac3d31',
    950: '#000000',
  },
}

SCSS

$custom: #ac3d31;
$custom-light: #cc7869;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3d31",
  "rgb": {
    "r": 172,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 5.854,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51484,
    "c": 0.1478,
    "h": 29.3
  },
  "luminance": 0.1233
}

Semantic roles & 50–950 ramp

primary

#AC3D31

secondary

#76BBC3

accent

#D0DF49

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AC3D31

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

Preview Lab → · Contrast checker → · Palette generator →