#A53637#A53637

#A53637 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.6% C 0.146 H 23.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A53637
RGB	rgb(165, 54, 55)
HSL	hsl(359, 51%, 43%)
HSV	hsv(359, 67%, 65%)
CMYK	cmyk(0%, 67.3%, 66.7%, 35.3%)
CIE-LAB	lab(39.44, 45.64, 24.94)
CIE-LCH	lch(39.44, 52.01, 28.66°)
OKLab	oklab(49.55% 0.134 0.0588)
OKLCH	oklch(49.55% 0.146 23.7)
XYZ	xyz(17.5276, 10.9160, 4.7977)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53637 #36A5A4

analogous

#A5366F #A53637 #A56C36

triadic

#A53637 #37A536 #3637A5

tetradic

#A53637 #6FA536 #36A5A4 #6C36A5

square

#A53637 #6FA536 #36A5A4 #6C36A5

split-complementary

#A53637 #36A56C #366FA5

monochromatic

#491818 #772728 #A53637 #C65253 #D58081

Accessibility & contrast

On white

6.60

#A53637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A53637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53637

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53637	#FFFFFF	#000000	##FFFFFF
##A53637	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E36

Deuteranopia (green-blind)

#706634

Tritanopia (blue-blind)

#B51A38

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a53637;
/* rgb */ color: rgb(165, 54, 55);
/* oklch */ color: oklch(49.6% 0.146 23.7);

Tailwind

colors: {
  custom: {
    50: '#c6736e',
    500: '#a53637',
    950: '#000000',
  },
}

SCSS

$custom: #a53637;
$custom-light: #c6736e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53637",
  "rgb": {
    "r": 165,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.459,
    "s": 50.685,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49551,
    "c": 0.14635,
    "h": 23.7
  },
  "luminance": 0.10914
}

Semantic roles & 50–950 ramp

primary

#A53637

secondary

#78BFBE

accent

#DAD94E

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A53637

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

Preview Lab → · Contrast checker → · Palette generator →