#AC3D3B#AC3D3B

#AC3D3B is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.146 H 24.7°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#AC3D3B
RGB	rgb(172, 61, 59)
HSL	hsl(1, 49%, 45%)
HSV	hsv(1, 66%, 67%)
CMYK	cmyk(0%, 64.5%, 65.7%, 32.5%)
CIE-LAB	lab(41.89, 45.25, 25.83)
CIE-LCH	lch(41.89, 52.10, 29.72°)
OKLab	oklab(51.64% 0.1327 0.0611)
OKLCH	oklch(51.64% 0.146 24.7)
XYZ	xyz(19.4734, 12.4266, 5.5100)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3D3B #3BAAAC

analogous

#AC3B71 #AC3D3B #AC753B

triadic

#AC3D3B #3BAC3D #3D3BAC

tetradic

#AC3D3B #71AC3B #3BAAAC #753BAC

square

#AC3D3B #71AC3B #3BAAAC #753BAC

split-complementary

#AC3D3B #3BAC75 #3B71AC

monochromatic

#511D1C #7E2D2B #AC3D3B #C75F5D #D78C8A

Accessibility & contrast

On white

6.03

#AC3D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#AC3D3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3D3B

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3D3B	#FFFFFF	#000000	##FFFFFF
##AC3D3B	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543A

Deuteranopia (green-blind)

#766C38

Tritanopia (blue-blind)

#BD243E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3d3b;
/* rgb */ color: rgb(172, 61, 59);
/* oklch */ color: oklch(51.6% 0.146 24.7);

Tailwind

colors: {
  custom: {
    50: '#cb7871',
    500: '#ac3d3b',
    950: '#000000',
  },
}

SCSS

$custom: #ac3d3b;
$custom-light: #cb7871;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3d3b",
  "rgb": {
    "r": 172,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 1.062,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51641,
    "c": 0.1461,
    "h": 24.7
  },
  "luminance": 0.12424
}

Semantic roles & 50–950 ramp

primary

#AC3D3B

secondary

#81C0C1

accent

#D6D84F

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3D3B

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

Preview Lab → · Contrast checker → · Palette generator →