#A4373E#A4373E

#A4373E is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.143 H 20.4°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A4373E
RGB	rgb(164, 55, 62)
HSL	hsl(356, 50%, 43%)
HSV	hsv(356, 66%, 64%)
CMYK	cmyk(0%, 66.5%, 62.2%, 35.7%)
CIE-LAB	lab(39.54, 45.31, 20.72)
CIE-LCH	lch(39.54, 49.82, 24.57°)
OKLab	oklab(49.63% 0.1345 0.0501)
OKLCH	oklch(49.63% 0.143 20.4)
XYZ	xyz(17.5472, 10.9751, 5.7509)
Luminance	0.1097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4373E #37A49D

analogous

#A43774 #A4373E #A46637

triadic

#A4373E #3EA437 #373EA4

tetradic

#A4373E #74A437 #37A49D #6637A4

square

#A4373E #74A437 #37A49D #6637A4

split-complementary

#A4373E #37A466 #3774A4

monochromatic

#48181B #76282D #A4373E #C5535A #D58186

Accessibility & contrast

On white

6.57

#A4373E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A4373E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4373E

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4373E	#FFFFFF	#000000	##FFFFFF
##A4373E	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F3D

Deuteranopia (green-blind)

#6F663B

Tritanopia (blue-blind)

#B41F3A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a4373e;
/* rgb */ color: rgb(164, 55, 62);
/* oklch */ color: oklch(49.6% 0.143 20.4);

Tailwind

colors: {
  custom: {
    50: '#c57473',
    500: '#a4373e',
    950: '#000000',
  },
}

SCSS

$custom: #a4373e;
$custom-light: #c57473;
$custom-dark: #000000;

JSON

{
  "hex": "#a4373e",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 62
  },
  "hsl": {
    "h": 356.147,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49631,
    "c": 0.14349,
    "h": 20.4
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary

#A4373E

secondary

#79BEBA

accent

#D9D04F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140908

muted

#827B7B

Preview Lab

Preview with #A4373E

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

Preview Lab → · Contrast checker → · Palette generator →