#A53837#A53837

#A53837 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.144 H 24.5°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A53837
RGB	rgb(165, 56, 55)
HSL	hsl(1, 50%, 43%)
HSV	hsv(1, 67%, 65%)
CMYK	cmyk(0%, 66.1%, 66.7%, 35.3%)
CIE-LAB	lab(39.76, 44.77, 25.34)
CIE-LCH	lch(39.76, 51.45, 29.51°)
OKLab	oklab(49.79% 0.1313 0.0597)
OKLCH	oklch(49.79% 0.144 24.5)
XYZ	xyz(17.6226, 11.1060, 4.8294)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53837 #37A4A5

analogous

#A5376D #A53837 #A56F37

triadic

#A53837 #37A538 #3837A5

tetradic

#A53837 #6DA537 #37A4A5 #6F37A5

square

#A53837 #6DA537 #37A4A5 #6F37A5

split-complementary

#A53837 #37A56F #376DA5

monochromatic

#491918 #772828 #A53837 #C65453 #D58281

Accessibility & contrast

On white

6.52

#A53837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A53837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53837

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53837	#FFFFFF	#000000	##FFFFFF
##A53837	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F36

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#B51E39

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a53837;
/* rgb */ color: rgb(165, 56, 55);
/* oklch */ color: oklch(49.8% 0.144 24.5);

Tailwind

colors: {
  custom: {
    50: '#c6756e',
    500: '#a53837',
    950: '#000000',
  },
}

SCSS

$custom: #a53837;
$custom-light: #c6756e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53837",
  "rgb": {
    "r": 165,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.545,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4979,
    "c": 0.14422,
    "h": 24.5
  },
  "luminance": 0.11104
}

Semantic roles & 50–950 ramp

primary

#A53837

secondary

#79BEBF

accent

#D8DA4E

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #A53837

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

Preview Lab → · Contrast checker → · Palette generator →