#A5373D#A5373D

#A5373D is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.145 H 21.0°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A5373D
RGB	rgb(165, 55, 61)
HSL	hsl(357, 50%, 43%)
HSV	hsv(357, 67%, 65%)
CMYK	cmyk(0%, 66.7%, 63%, 35.3%)
CIE-LAB	lab(39.70, 45.59, 21.58)
CIE-LCH	lch(39.70, 50.44, 25.33°)
OKLab	oklab(49.78% 0.135 0.0519)
OKLCH	oklch(49.78% 0.145 21)
XYZ	xyz(17.7273, 11.0711, 5.6174)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5373D #37A59F

analogous

#A53774 #A5373D #A56837

triadic

#A5373D #3DA537 #373DA5

tetradic

#A5373D #74A537 #37A59F #6837A5

square

#A5373D #74A537 #37A59F #6837A5

split-complementary

#A5373D #37A568 #3774A5

monochromatic

#49181B #77282C #A5373D #C6535A #D58186

Accessibility & contrast

On white

6.53

#A5373D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A5373D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5373D

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5373D	#FFFFFF	#000000	##FFFFFF
##A5373D	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3C

Deuteranopia (green-blind)

#6F663A

Tritanopia (blue-blind)

#B51E3A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a5373d;
/* rgb */ color: rgb(165, 55, 61);
/* oklch */ color: oklch(49.8% 0.145 21.0);

Tailwind

colors: {
  custom: {
    50: '#c67472',
    500: '#a5373d',
    950: '#000000',
  },
}

SCSS

$custom: #a5373d;
$custom-light: #c67472;
$custom-dark: #000000;

JSON

{
  "hex": "#a5373d",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 61
  },
  "hsl": {
    "h": 356.727,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4978,
    "c": 0.14466,
    "h": 21
  },
  "luminance": 0.11069
}

Semantic roles & 50–950 ramp

primary

#A5373D

secondary

#79BFBB

accent

#DAD24E

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140908

muted

#837B7B

Preview Lab

Preview with #A5373D

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

Preview Lab → · Contrast checker → · Palette generator →