#A53740#A53740

#A53740 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.144 H 19.4°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A53740
RGB	rgb(165, 55, 64)
HSL	hsl(355, 50%, 43%)
HSV	hsv(355, 67%, 65%)
CMYK	cmyk(0%, 66.7%, 61.2%, 35.3%)
CIE-LAB	lab(39.76, 45.79, 19.79)
CIE-LCH	lch(39.76, 49.89, 23.37°)
OKLab	oklab(49.84% 0.1363 0.0481)
OKLCH	oklch(49.84% 0.144 19.4)
XYZ	xyz(17.8104, 11.1043, 6.0550)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53740 #37A59C

analogous

#A53777 #A53740 #A56537

triadic

#A53740 #40A537 #3740A5

tetradic

#A53740 #77A537 #37A59C #6537A5

square

#A53740 #77A537 #37A59C #6537A5

split-complementary

#A53740 #37A565 #3777A5

monochromatic

#49181C #77282E #A53740 #C6535D #D58188

Accessibility & contrast

On white

6.52

#A53740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A53740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53740

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53740	#FFFFFF	#000000	##FFFFFF
##A53740	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F40

Deuteranopia (green-blind)

#6F663D

Tritanopia (blue-blind)

#B51F3B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a53740;
/* rgb */ color: rgb(165, 55, 64);
/* oklch */ color: oklch(49.8% 0.144 19.4);

Tailwind

colors: {
  custom: {
    50: '#c67474',
    500: '#a53740',
    950: '#000000',
  },
}

SCSS

$custom: #a53740;
$custom-light: #c67474;
$custom-dark: #000000;

JSON

{
  "hex": "#a53740",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 355.091,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.49839,
    "c": 0.14448,
    "h": 19.4
  },
  "luminance": 0.11102
}

Semantic roles & 50–950 ramp

primary

#A53740

secondary

#79BFB9

accent

#DACE4E

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A53740

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

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