#AC3F36#AC3F36

#AC3F36 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.145 H 27.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#AC3F36
RGB	rgb(172, 63, 54)
HSL	hsl(5, 52%, 44%)
HSV	hsv(5, 69%, 67%)
CMYK	cmyk(0%, 63.4%, 68.6%, 32.5%)
CIE-LAB	lab(42.15, 44.06, 29.13)
CIE-LCH	lch(42.15, 52.82, 33.48°)
OKLab	oklab(51.81% 0.128 0.0677)
OKLCH	oklch(51.81% 0.145 27.9)
XYZ	xyz(19.4586, 12.5947, 4.8957)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3F36 #36A3AC

analogous

#AC3668 #AC3F36 #AC7A36

triadic

#AC3F36 #36AC3F #3F36AC

tetradic

#AC3F36 #68AC36 #36A3AC #7A36AC

square

#AC3F36 #68AC36 #36A3AC #7A36AC

split-complementary

#AC3F36 #36AC7A #3668AC

monochromatic

#4F1D19 #7D2E27 #AC3F36 #CA5E55 #D88A84

Accessibility & contrast

On white

5.97

#AC3F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#AC3F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3F36

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3F36	#FFFFFF	#000000	##FFFFFF
##AC3F36	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5534

Deuteranopia (green-blind)

#776C33

Tritanopia (blue-blind)

#BD263E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3f36;
/* rgb */ color: rgb(172, 63, 54);
/* oklch */ color: oklch(51.8% 0.145 27.9);

Tailwind

colors: {
  custom: {
    50: '#cc796d',
    500: '#ac3f36',
    950: '#000000',
  },
}

SCSS

$custom: #ac3f36;
$custom-light: #cc796d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3f36",
  "rgb": {
    "r": 172,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 4.576,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51812,
    "c": 0.14477,
    "h": 27.9
  },
  "luminance": 0.12592
}

Semantic roles & 50–950 ramp

primary

#AC3F36

secondary

#7CBDC2

accent

#D1DC4C

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3F36

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

Preview Lab → · Contrast checker → · Palette generator →