#AC3F3D#AC3F3D

#AC3F3D is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.144 H 24.5°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#AC3F3D
RGB	rgb(172, 63, 61)
HSL	hsl(1, 48%, 46%)
HSV	hsv(1, 65%, 67%)
CMYK	cmyk(0%, 63.4%, 64.5%, 32.5%)
CIE-LAB	lab(42.25, 44.48, 25.08)
CIE-LCH	lch(42.25, 51.06, 29.42°)
OKLab	oklab(51.93% 0.1307 0.0596)
OKLCH	oklch(51.93% 0.144 24.5)
XYZ	xyz(19.6350, 12.6652, 5.8247)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3F3D #3DAAAC

analogous

#AC3D72 #AC3F3D #AC763D

triadic

#AC3F3D #3DAC3F #3F3DAC

tetradic

#AC3F3D #72AC3D #3DAAAC #763DAC

square

#AC3F3D #72AC3D #3DAAAC #763DAC

split-complementary

#AC3F3D #3DAC76 #3D72AC

monochromatic

#521E1D #7F2E2D #AC3F3D #C76260 #D78E8D

Accessibility & contrast

On white

5.94

#AC3F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#AC3F3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F3D

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3F3D	#FFFFFF	#000000	##FFFFFF
##AC3F3D	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553C

Deuteranopia (green-blind)

#776C3A

Tritanopia (blue-blind)

#BC2840

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac3f3d;
/* rgb */ color: rgb(172, 63, 61);
/* oklch */ color: oklch(51.9% 0.144 24.5);

Tailwind

colors: {
  custom: {
    50: '#cb7972',
    500: '#ac3f3d',
    950: '#000000',
  },
}

SCSS

$custom: #ac3f3d;
$custom-light: #cb7972;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3f3d",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 1.081,
    "s": 47.639,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51928,
    "c": 0.14363,
    "h": 24.5
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#AC3F3D

secondary

#84C0C1

accent

#D5D751

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3F3D

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

Preview Lab → · Contrast checker → · Palette generator →