#A53731#A53731

#A53731 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.146 H 26.9°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A53731
RGB	rgb(165, 55, 49)
HSL	hsl(3, 54%, 42%)
HSV	hsv(3, 70%, 65%)
CMYK	cmyk(0%, 66.7%, 70.3%, 35.3%)
CIE-LAB	lab(39.51, 44.87, 28.66)
CIE-LCH	lch(39.51, 53.24, 32.56°)
OKLab	oklab(49.57% 0.1303 0.0662)
OKLCH	oklch(49.57% 0.146 26.9)
XYZ	xyz(17.4395, 10.9559, 4.1015)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53731 #319FA5

analogous

#A53165 #A53731 #A57131

triadic

#A53731 #31A537 #3731A5

tetradic

#A53731 #65A531 #319FA5 #7131A5

square

#A53731 #65A531 #319FA5 #7131A5

split-complementary

#A53731 #31A571 #3165A5

monochromatic

#471815 #762723 #A53731 #C9514A #D77E79

Accessibility & contrast

On white

6.58

#A53731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A53731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53731

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53731	#FFFFFF	#000000	##FFFFFF
##A53731	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E30

Deuteranopia (green-blind)

#71662E

Tritanopia (blue-blind)

#B51A36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a53731;
/* rgb */ color: rgb(165, 55, 49);
/* oklch */ color: oklch(49.6% 0.146 26.9);

Tailwind

colors: {
  custom: {
    50: '#c77469',
    500: '#a53731',
    950: '#000000',
  },
}

SCSS

$custom: #a53731;
$custom-light: #c77469;
$custom-dark: #000000;

JSON

{
  "hex": "#a53731",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 3.103,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49572,
    "c": 0.14616,
    "h": 26.9
  },
  "luminance": 0.10953
}

Semantic roles & 50–950 ramp

primary

#A53731

secondary

#72BCC0

accent

#D6DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A53731

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

Preview Lab → · Contrast checker → · Palette generator →