#A3372E#A3372E

#A3372E is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.144 H 28.3°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#A3372E
RGB	rgb(163, 55, 46)
HSL	hsl(5, 56%, 41%)
HSV	hsv(5, 72%, 64%)
CMYK	cmyk(0%, 66.3%, 71.8%, 36.1%)
CIE-LAB	lab(39.10, 44.01, 29.88)
CIE-LCH	lch(39.10, 53.19, 34.17°)
OKLab	oklab(49.19% 0.1273 0.0684)
OKLCH	oklch(49.19% 0.144 28.3)
XYZ	xyz(16.9654, 10.7186, 3.7598)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3372E #2E9AA3

analogous

#A32E5F #A3372E #A3712E

triadic

#A3372E #2EA337 #372EA3

tetradic

#A3372E #5FA32E #2E9AA3 #712EA3

square

#A3372E #5FA32E #2E9AA3 #712EA3

split-complementary

#A3372E #2EA371 #2E5FA3

monochromatic

#441713 #732721 #A3372E #CA4E44 #D87B74

Accessibility & contrast

On white

6.68

#A3372E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A3372E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3372E

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3372E	#FFFFFF	#000000	##FFFFFF
##A3372E	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2C

Deuteranopia (green-blind)

#70652B

Tritanopia (blue-blind)

#B31B36

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a3372e;
/* rgb */ color: rgb(163, 55, 46);
/* oklch */ color: oklch(49.2% 0.144 28.3);

Tailwind

colors: {
  custom: {
    50: '#c57467',
    500: '#a3372e',
    950: '#000000',
  },
}

SCSS

$custom: #a3372e;
$custom-light: #c57467;
$custom-dark: #000000;

JSON

{
  "hex": "#a3372e",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 46
  },
  "hsl": {
    "h": 4.615,
    "s": 55.981,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49188,
    "c": 0.14446,
    "h": 28.3
  },
  "luminance": 0.10716
}

Semantic roles & 50–950 ramp

primary

#A3372E

secondary

#6DB9BF

accent

#D4DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A3372E

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

Preview Lab → · Contrast checker → · Palette generator →