#A53537#A53537

#A53537 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.147 H 23.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A53537
RGB	rgb(165, 53, 55)
HSL	hsl(359, 51%, 43%)
HSV	hsv(359, 68%, 65%)
CMYK	cmyk(0%, 67.9%, 66.7%, 35.3%)
CIE-LAB	lab(39.28, 46.06, 24.75)
CIE-LCH	lch(39.28, 52.29, 28.25°)
OKLab	oklab(49.43% 0.1353 0.0584)
OKLCH	oklch(49.43% 0.147 23.3)
XYZ	xyz(17.4815, 10.8239, 4.7824)
Luminance	0.1082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53537 #35A5A3

analogous

#A5356F #A53537 #A56B35

triadic

#A53537 #37A535 #3537A5

tetradic

#A53537 #6FA535 #35A5A3 #6B35A5

square

#A53537 #6FA535 #35A5A3 #6B35A5

split-complementary

#A53537 #35A56B #356FA5

monochromatic

#481718 #772628 #A53537 #C75052 #D67F80

Accessibility & contrast

On white

6.64

#A53537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A53537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53537

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53537	#FFFFFF	#000000	##FFFFFF
##A53537	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D36

Deuteranopia (green-blind)

#6F6534

Tritanopia (blue-blind)

#B51837

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a53537;
/* rgb */ color: rgb(165, 53, 55);
/* oklch */ color: oklch(49.4% 0.147 23.3);

Tailwind

colors: {
  custom: {
    50: '#c7736e',
    500: '#a53537',
    950: '#000000',
  },
}

SCSS

$custom: #a53537;
$custom-light: #c7736e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53537",
  "rgb": {
    "r": 165,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 358.929,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49434,
    "c": 0.1474,
    "h": 23.3
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary

#A53537

secondary

#77BFBE

accent

#DBD84D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A53537

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

Preview Lab → · Contrast checker → · Palette generator →