#A4372A#A4372A

#A4372A is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.146 H 29.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#A4372A
RGB	rgb(164, 55, 42)
HSL	hsl(6, 59%, 40%)
HSV	hsv(6, 74%, 64%)
CMYK	cmyk(0%, 66.5%, 74.4%, 35.7%)
CIE-LAB	lab(39.23, 44.17, 32.41)
CIE-LCH	lch(39.23, 54.79, 36.27°)
OKLab	oklab(49.3% 0.1268 0.073)
OKLCH	oklch(49.3% 0.146 29.9)
XYZ	xyz(17.0958, 10.7945, 3.3734)
Luminance	0.1079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4372A #2A97A4

analogous

#A42A5A #A4372A #A4742A

triadic

#A4372A #2AA437 #372AA4

tetradic

#A4372A #5AA42A #2A97A4 #742AA4

square

#A4372A #5AA42A #2A97A4 #742AA4

split-complementary

#A4372A #2AA474 #2A5AA4

monochromatic

#431611 #73271E #A4372A #CD4D3E #DA7A6E

Accessibility & contrast

On white

6.65

#A4372A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A4372A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4372A

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4372A	#FFFFFF	#000000	##FFFFFF
##A4372A	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D28

Deuteranopia (green-blind)

#716526

Tritanopia (blue-blind)

#B41935

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a4372a;
/* rgb */ color: rgb(164, 55, 42);
/* oklch */ color: oklch(49.3% 0.146 29.9);

Tailwind

colors: {
  custom: {
    50: '#c67464',
    500: '#a4372a',
    950: '#000000',
  },
}

SCSS

$custom: #a4372a;
$custom-light: #c67464;
$custom-dark: #000000;

JSON

{
  "hex": "#a4372a",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 42
  },
  "hsl": {
    "h": 6.393,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49303,
    "c": 0.14631,
    "h": 29.9
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary

#A4372A

secondary

#69B8C1

accent

#D2E245

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A4372A

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

Preview Lab → · Contrast checker → · Palette generator →