#A53131#A53131

#A53131 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.152 H 24.8°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#A53131
RGB	rgb(165, 49, 49)
HSL	hsl(0, 54%, 42%)
HSV	hsv(0, 70%, 65%)
CMYK	cmyk(0%, 70.3%, 70.3%, 35.3%)
CIE-LAB	lab(38.59, 47.37, 27.56)
CIE-LCH	lch(38.59, 54.81, 30.19°)
OKLab	oklab(48.88% 0.1382 0.0638)
OKLCH	oklch(48.88% 0.152 24.8)
XYZ	xyz(17.1716, 10.4202, 4.0123)
Luminance	0.1042 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53131 #31A5A5

analogous

#A5316B #A53131 #A56B31

triadic

#A53131 #31A531 #3131A5

tetradic

#A53131 #6BA531 #31A5A5 #6B31A5

square

#A53131 #6BA531 #31A5A5 #6B31A5

split-complementary

#A53131 #31A56B #316BA5

monochromatic

#471515 #762323 #A53131 #C94A4A #D77979

Accessibility & contrast

On white

6.81

#A53131 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A53131 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53131

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53131	#FFFFFF	#000000	##FFFFFF
##A53131	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524B30

Deuteranopia (green-blind)

#6F642D

Tritanopia (blue-blind)

#B50C32

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a53131;
/* rgb */ color: rgb(165, 49, 49);
/* oklch */ color: oklch(48.9% 0.152 24.8);

Tailwind

colors: {
  custom: {
    50: '#c77169',
    500: '#a53131',
    950: '#000000',
  },
}

SCSS

$custom: #a53131;
$custom-light: #c77169;
$custom-dark: #000000;

JSON

{
  "hex": "#a53131",
  "rgb": {
    "r": 165,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48883,
    "c": 0.15221,
    "h": 24.8
  },
  "luminance": 0.10418
}

Semantic roles & 50–950 ramp

primary

#A53131

secondary

#72C0C0

accent

#DEDE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A53131

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

Preview Lab → · Contrast checker → · Palette generator →