#A73137#A73137

#A73137 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.154 H 22.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A73137
RGB	rgb(167, 49, 55)
HSL	hsl(357, 55%, 42%)
HSV	hsv(357, 71%, 65%)
CMYK	cmyk(0%, 70.7%, 67.1%, 34.5%)
CIE-LAB	lab(39.05, 48.37, 24.55)
CIE-LCH	lch(39.05, 54.24, 26.91°)
OKLab	oklab(49.33% 0.1424 0.0579)
OKLCH	oklch(49.33% 0.154 22.1)
XYZ	xyz(17.7261, 10.6905, 4.7438)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73137 #31A7A1

analogous

#A73172 #A73137 #A76631

triadic

#A73137 #37A731 #3137A7

tetradic

#A73137 #72A731 #31A7A1 #6631A7

square

#A73137 #72A731 #31A7A1 #6631A7

split-complementary

#A73137 #31A766 #3172A7

monochromatic

#481518 #782327 #A73137 #CA4B51 #D87A7F

Accessibility & contrast

On white

6.69

#A73137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A73137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73137

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73137	#FFFFFF	#000000	##FFFFFF
##A73137	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#6F6534

Tritanopia (blue-blind)

#B70D34

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a73137;
/* rgb */ color: rgb(167, 49, 55);
/* oklch */ color: oklch(49.3% 0.154 22.1);

Tailwind

colors: {
  custom: {
    50: '#c8716d',
    500: '#a73137',
    950: '#000000',
  },
}

SCSS

$custom: #a73137;
$custom-light: #c8716d;
$custom-dark: #000000;

JSON

{
  "hex": "#a73137",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 356.949,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49332,
    "c": 0.1537,
    "h": 22.1
  },
  "luminance": 0.10688
}

Semantic roles & 50–950 ramp

primary

#A73137

secondary

#73C1BD

accent

#DED64A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A73137

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

Preview Lab → · Contrast checker → · Palette generator →