#A53437#A53437

#A53437 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.3% C 0.148 H 23.0°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A53437
RGB	rgb(165, 52, 55)
HSL	hsl(358, 52%, 43%)
HSV	hsv(358, 68%, 65%)
CMYK	cmyk(0%, 68.5%, 66.7%, 35.3%)
CIE-LAB	lab(39.13, 46.48, 24.56)
CIE-LCH	lch(39.13, 52.57, 27.85°)
OKLab	oklab(49.32% 0.1367 0.058)
OKLCH	oklch(49.32% 0.148 23)
XYZ	xyz(17.4364, 10.7336, 4.7673)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53437 #34A5A2

analogous

#A53470 #A53437 #A56934

triadic

#A53437 #37A534 #3437A5

tetradic

#A53437 #70A534 #34A5A2 #6934A5

square

#A53437 #70A534 #34A5A2 #6934A5

split-complementary

#A53437 #34A569 #3470A5

monochromatic

#481718 #762527 #A53437 #C74F52 #D67D80

Accessibility & contrast

On white

6.67

#A53437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A53437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53437

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53437	#FFFFFF	#000000	##FFFFFF
##A53437	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#6F6534

Tritanopia (blue-blind)

#B51636

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a53437;
/* rgb */ color: rgb(165, 52, 55);
/* oklch */ color: oklch(49.3% 0.148 23.0);

Tailwind

colors: {
  custom: {
    50: '#c7726d',
    500: '#a53437',
    950: '#000000',
  },
}

SCSS

$custom: #a53437;
$custom-light: #c7726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a53437",
  "rgb": {
    "r": 165,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.407,
    "s": 52.074,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49318,
    "c": 0.14846,
    "h": 23
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary

#A53437

secondary

#76BFBD

accent

#DCD84C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A53437

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

Preview Lab → · Contrast checker → · Palette generator →