#A43337#A43337

#A43337 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.148 H 22.6°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A43337
RGB	rgb(164, 51, 55)
HSL	hsl(358, 53%, 42%)
HSV	hsv(358, 69%, 64%)
CMYK	cmyk(0%, 68.9%, 66.5%, 35.7%)
CIE-LAB	lab(38.79, 46.56, 24.10)
CIE-LCH	lch(38.79, 52.43, 27.37°)
OKLab	oklab(49.03% 0.137 0.057)
OKLCH	oklch(49.03% 0.148 22.6)
XYZ	xyz(17.1850, 10.5385, 4.7429)
Luminance	0.1054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43337 #33A4A0

analogous

#A43370 #A43337 #A46833

triadic

#A43337 #37A433 #3337A4

tetradic

#A43337 #70A433 #33A4A0 #6833A4

square

#A43337 #70A433 #33A4A0 #6833A4

split-complementary

#A43337 #33A468 #3370A4

monochromatic

#471618 #752427 #A43337 #C84D51 #D67B7F

Accessibility & contrast

On white

6.76

#A43337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A43337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43337

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43337	#FFFFFF	#000000	##FFFFFF
##A43337	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#6E6434

Tritanopia (blue-blind)

#B41536

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a43337;
/* rgb */ color: rgb(164, 51, 55);
/* oklch */ color: oklch(49.0% 0.148 22.6);

Tailwind

colors: {
  custom: {
    50: '#c6726d',
    500: '#a43337',
    950: '#000000',
  },
}

SCSS

$custom: #a43337;
$custom-light: #c6726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a43337",
  "rgb": {
    "r": 164,
    "g": 51,
    "b": 55
  },
  "hsl": {
    "h": 357.876,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49033,
    "c": 0.14841,
    "h": 22.6
  },
  "luminance": 0.10536
}

Semantic roles & 50–950 ramp

primary

#A43337

secondary

#74BFBC

accent

#DCD74C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A43337

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

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