#A53738#A53738

#A53738 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.145 H 23.6°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A53738
RGB	rgb(165, 55, 56)
HSL	hsl(359, 50%, 43%)
HSV	hsv(359, 67%, 65%)
CMYK	cmyk(0%, 66.7%, 66.1%, 35.3%)
CIE-LAB	lab(39.61, 45.27, 24.55)
CIE-LCH	lch(39.61, 51.50, 28.47°)
OKLab	oklab(49.69% 0.133 0.0581)
OKLCH	oklch(49.69% 0.145 23.6)
XYZ	xyz(17.5988, 11.0197, 4.9409)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53738 #37A5A4

analogous

#A5376F #A53738 #A56D37

triadic

#A53738 #38A537 #3738A5

tetradic

#A53738 #6FA537 #37A5A4 #6D37A5

square

#A53738 #6FA537 #37A5A4 #6D37A5

split-complementary

#A53738 #37A56D #376FA5

monochromatic

#491819 #772828 #A53738 #C65354 #D58182

Accessibility & contrast

On white

6.56

#A53738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A53738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53738

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53738	#FFFFFF	#000000	##FFFFFF
##A53738	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E37

Deuteranopia (green-blind)

#706635

Tritanopia (blue-blind)

#B51C38

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a53738;
/* rgb */ color: rgb(165, 55, 56);
/* oklch */ color: oklch(49.7% 0.145 23.6);

Tailwind

colors: {
  custom: {
    50: '#c6746e',
    500: '#a53738',
    950: '#000000',
  },
}

SCSS

$custom: #a53738;
$custom-light: #c6746e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53738",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 56
  },
  "hsl": {
    "h": 359.455,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49687,
    "c": 0.14516,
    "h": 23.6
  },
  "luminance": 0.11017
}

Semantic roles & 50–950 ramp

primary

#A53738

secondary

#79BFBE

accent

#DAD84E

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140907

muted

#837B7A

Preview Lab

Preview with #A53738

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

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