#AC3A3B#AC3A3B

#AC3A3B is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.3% C 0.149 H 23.6°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A3B
RGB	rgb(172, 58, 59)
HSL	hsl(359, 50%, 45%)
HSV	hsv(359, 66%, 67%)
CMYK	cmyk(0%, 66.3%, 65.7%, 32.5%)
CIE-LAB	lab(41.40, 46.57, 25.22)
CIE-LCH	lch(41.40, 52.96, 28.44°)
OKLab	oklab(51.28% 0.1369 0.0597)
OKLCH	oklch(51.28% 0.149 23.6)
XYZ	xyz(19.3177, 12.1152, 5.4581)
Luminance	0.1211 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A3B #3AACAB

analogous

#AC3A74 #AC3A3B #AC723A

triadic

#AC3A3B #3BAC3A #3A3BAC

tetradic

#AC3A3B #74AC3A #3AACAB #723AAC

square

#AC3A3B #74AC3A #3AACAB #723AAC

split-complementary

#AC3A3B #3AAC72 #3A74AC

monochromatic

#501B1C #7E2B2B #AC3A3B #C85B5C #D7898A

Accessibility & contrast

On white

6.14

#AC3A3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AC3A3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A3B

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A3B	#FFFFFF	#000000	##FFFFFF
##AC3A3B	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523A

Deuteranopia (green-blind)

#756B38

Tritanopia (blue-blind)

#BD1F3C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3a3b;
/* rgb */ color: rgb(172, 58, 59);
/* oklch */ color: oklch(51.3% 0.149 23.6);

Tailwind

colors: {
  custom: {
    50: '#cb7671',
    500: '#ac3a3b',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a3b;
$custom-light: #cb7671;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a3b",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 59
  },
  "hsl": {
    "h": 359.474,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51276,
    "c": 0.14933,
    "h": 23.6
  },
  "luminance": 0.12113
}

Semantic roles & 50–950 ramp

primary

#AC3A3B

secondary

#80C2C1

accent

#D9D84F

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3A3B

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

Preview Lab → · Contrast checker → · Palette generator →