#A73237#A73237

#A73237 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.153 H 22.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A73237
RGB	rgb(167, 50, 55)
HSL	hsl(357, 54%, 43%)
HSV	hsv(357, 70%, 65%)
CMYK	cmyk(0%, 70.1%, 67.1%, 34.5%)
CIE-LAB	lab(39.20, 47.97, 24.73)
CIE-LCH	lch(39.20, 53.97, 27.27°)
OKLab	oklab(49.44% 0.1411 0.0583)
OKLCH	oklch(49.44% 0.153 22.4)
XYZ	xyz(17.7684, 10.7751, 4.7579)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73237 #32A7A2

analogous

#A73271 #A73237 #A76832

triadic

#A73237 #37A732 #3237A7

tetradic

#A73237 #71A732 #32A7A2 #6832A7

square

#A73237 #71A732 #32A7A2 #6832A7

split-complementary

#A73237 #32A768 #3271A7

monochromatic

#491618 #782427 #A73237 #CA4D52 #D87C80

Accessibility & contrast

On white

6.66

#A73237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A73237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73237

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73237	#FFFFFF	#000000	##FFFFFF
##A73237	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#706534

Tritanopia (blue-blind)

#B71035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a73237;
/* rgb */ color: rgb(167, 50, 55);
/* oklch */ color: oklch(49.4% 0.153 22.4);

Tailwind

colors: {
  custom: {
    50: '#c8726d',
    500: '#a73237',
    950: '#000000',
  },
}

SCSS

$custom: #a73237;
$custom-light: #c8726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a73237",
  "rgb": {
    "r": 167,
    "g": 50,
    "b": 55
  },
  "hsl": {
    "h": 357.436,
    "s": 53.917,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4944,
    "c": 0.15269,
    "h": 22.4
  },
  "luminance": 0.10773
}

Semantic roles & 50–950 ramp

primary

#A73237

secondary

#74C0BD

accent

#DDD74B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A73237

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

Preview Lab → · Contrast checker → · Palette generator →