#A73740#A73740

#A73740 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.147 H 19.6°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#A73740
RGB	rgb(167, 55, 64)
HSL	hsl(355, 50%, 44%)
HSV	hsv(355, 67%, 65%)
CMYK	cmyk(0%, 67.1%, 61.7%, 34.5%)
CIE-LAB	lab(40.12, 46.47, 20.33)
CIE-LCH	lch(40.12, 50.72, 23.63°)
OKLab	oklab(50.18% 0.1382 0.0493)
OKLCH	oklch(50.18% 0.147 19.6)
XYZ	xyz(18.2297, 11.3205, 6.0746)
Luminance	0.1132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73740 #37A79E

analogous

#A73778 #A73740 #A76637

triadic

#A73740 #40A737 #3740A7

tetradic

#A73740 #78A737 #37A79E #6637A7

square

#A73740 #78A737 #37A79E #6637A7

split-complementary

#A73740 #37A766 #3778A7

monochromatic

#4B191D #79282E #A73740 #C7545E #D68289

Accessibility & contrast

On white

6.43

#A73740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A73740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73740

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73740	#FFFFFF	#000000	##FFFFFF
##A73740	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545040

Deuteranopia (green-blind)

#70673D

Tritanopia (blue-blind)

#B71E3B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73740;
/* rgb */ color: rgb(167, 55, 64);
/* oklch */ color: oklch(50.2% 0.147 19.6);

Tailwind

colors: {
  custom: {
    50: '#c77474',
    500: '#a73740',
    950: '#000000',
  },
}

SCSS

$custom: #a73740;
$custom-light: #c77474;
$custom-dark: #000000;

JSON

{
  "hex": "#a73740",
  "rgb": {
    "r": 167,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 355.179,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50175,
    "c": 0.14668,
    "h": 19.6
  },
  "luminance": 0.11318
}

Semantic roles & 50–950 ramp

primary

#A73740

secondary

#7AC0BA

accent

#DACF4E

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #A73740

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

Preview Lab → · Contrast checker → · Palette generator →