#A3372C#A3372C

#A3372C is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.145 H 29.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A3372C
RGB	rgb(163, 55, 44)
HSL	hsl(6, 57%, 41%)
HSV	hsv(6, 73%, 64%)
CMYK	cmyk(0%, 66.3%, 73%, 36.1%)
CIE-LAB	lab(39.08, 43.91, 31.02)
CIE-LCH	lch(39.08, 53.77, 35.24°)
OKLab	oklab(49.16% 0.1265 0.0705)
OKLCH	oklch(49.16% 0.145 29.1)
XYZ	xyz(16.9269, 10.7032, 3.5570)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3372C #2C98A3

analogous

#A32C5C #A3372C #A3722C

triadic

#A3372C #2CA337 #372CA3

tetradic

#A3372C #5CA32C #2C98A3 #722CA3

square

#A3372C #5CA32C #2C98A3 #722CA3

split-complementary

#A3372C #2CA372 #2C5CA3

monochromatic

#431612 #73271F #A3372C #CC4D41 #D97A71

Accessibility & contrast

On white

6.69

#A3372C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A3372C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3372C

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3372C	#FFFFFF	#000000	##FFFFFF
##A3372C	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2A

Deuteranopia (green-blind)

#706529

Tritanopia (blue-blind)

#B31A35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a3372c;
/* rgb */ color: rgb(163, 55, 44);
/* oklch */ color: oklch(49.2% 0.145 29.1);

Tailwind

colors: {
  custom: {
    50: '#c67465',
    500: '#a3372c',
    950: '#000000',
  },
}

SCSS

$custom: #a3372c;
$custom-light: #c67465;
$custom-dark: #000000;

JSON

{
  "hex": "#a3372c",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 5.546,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4916,
    "c": 0.14483,
    "h": 29.1
  },
  "luminance": 0.10701
}

Semantic roles & 50–950 ramp

primary

#A3372C

secondary

#6BB8C0

accent

#D3E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A3372C

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

Preview Lab → · Contrast checker → · Palette generator →