#A43137#A43137

#A43137 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.150 H 21.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A43137
RGB	rgb(164, 49, 55)
HSL	hsl(357, 54%, 42%)
HSV	hsv(357, 70%, 64%)
CMYK	cmyk(0%, 70.1%, 66.5%, 35.7%)
CIE-LAB	lab(38.49, 47.37, 23.73)
CIE-LCH	lch(38.49, 52.98, 26.60°)
OKLab	oklab(48.81% 0.1396 0.0561)
OKLCH	oklch(48.81% 0.15 21.9)
XYZ	xyz(17.0995, 10.3674, 4.7144)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43137 #31A49E

analogous

#A43171 #A43137 #A46531

triadic

#A43137 #37A431 #3137A4

tetradic

#A43137 #71A431 #31A49E #6531A4

square

#A43137 #71A431 #31A49E #6531A4

split-complementary

#A43137 #31A465 #3171A4

monochromatic

#461517 #752327 #A43137 #C94950 #D7797D

Accessibility & contrast

On white

6.83

#A43137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A43137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43137

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43137	#FFFFFF	#000000	##FFFFFF
##A43137	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B36

Deuteranopia (green-blind)

#6D6434

Tritanopia (blue-blind)

#B41034

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a43137;
/* rgb */ color: rgb(164, 49, 55);
/* oklch */ color: oklch(48.8% 0.150 21.9);

Tailwind

colors: {
  custom: {
    50: '#c6716d',
    500: '#a43137',
    950: '#000000',
  },
}

SCSS

$custom: #a43137;
$custom-light: #c6716d;
$custom-dark: #000000;

JSON

{
  "hex": "#a43137",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 55
  },
  "hsl": {
    "h": 356.87,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4881,
    "c": 0.15049,
    "h": 21.9
  },
  "luminance": 0.10365
}

Semantic roles & 50–950 ramp

primary

#A43137

secondary

#72BFBB

accent

#DDD64A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A43137

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

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