#A4372C#A4372C

#A4372C is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.146 H 29.1°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A4372C
RGB	rgb(164, 55, 44)
HSL	hsl(6, 58%, 41%)
HSV	hsv(6, 73%, 64%)
CMYK	cmyk(0%, 66.5%, 73.2%, 35.7%)
CIE-LAB	lab(39.26, 44.27, 31.28)
CIE-LCH	lch(39.26, 54.20, 35.25°)
OKLab	oklab(49.33% 0.1275 0.071)
OKLCH	oklch(49.33% 0.146 29.1)
XYZ	xyz(17.1325, 10.8092, 3.5666)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4372C #2C99A4

analogous

#A42C5D #A4372C #A4732C

triadic

#A4372C #2CA437 #372CA4

tetradic

#A4372C #5DA42C #2C99A4 #732CA4

square

#A4372C #5DA42C #2C99A4 #732CA4

split-complementary

#A4372C #2CA473 #2C5DA4

monochromatic

#431712 #74271F #A4372C #CC4E41 #D97B71

Accessibility & contrast

On white

6.64

#A4372C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A4372C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4372C

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4372C	#FFFFFF	#000000	##FFFFFF
##A4372C	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2A

Deuteranopia (green-blind)

#706528

Tritanopia (blue-blind)

#B41A35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a4372c;
/* rgb */ color: rgb(164, 55, 44);
/* oklch */ color: oklch(49.3% 0.146 29.1);

Tailwind

colors: {
  custom: {
    50: '#c67466',
    500: '#a4372c',
    950: '#000000',
  },
}

SCSS

$custom: #a4372c;
$custom-light: #c67466;
$custom-dark: #000000;

JSON

{
  "hex": "#a4372c",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 5.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.4933,
    "c": 0.14593,
    "h": 29.1
  },
  "luminance": 0.10807
}

Semantic roles & 50–950 ramp

primary

#A4372C

secondary

#6BB9C0

accent

#D3E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A4372C

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

Preview Lab → · Contrast checker → · Palette generator →