#A4372F#A4372F

#A4372F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.145 H 27.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A4372F
RGB	rgb(164, 55, 47)
HSL	hsl(4, 55%, 41%)
HSV	hsv(4, 71%, 64%)
CMYK	cmyk(0%, 66.5%, 71.3%, 35.7%)
CIE-LAB	lab(39.30, 44.41, 29.56)
CIE-LCH	lch(39.30, 53.35, 33.64°)
OKLab	oklab(49.37% 0.1286 0.0678)
OKLCH	oklch(49.37% 0.145 27.8)
XYZ	xyz(17.1909, 10.8326, 3.8745)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4372F #2F9CA4

analogous

#A42F62 #A4372F #A4722F

triadic

#A4372F #2FA437 #372FA4

tetradic

#A4372F #62A42F #2F9CA4 #722FA4

square

#A4372F #62A42F #2F9CA4 #722FA4

split-complementary

#A4372F #2FA472 #2F62A4

monochromatic

#451714 #742721 #A4372F #CA4F46 #D87C76

Accessibility & contrast

On white

6.63

#A4372F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A4372F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4372F

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4372F	#FFFFFF	#000000	##FFFFFF
##A4372F	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2D

Deuteranopia (green-blind)

#70652C

Tritanopia (blue-blind)

#B41B36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a4372f;
/* rgb */ color: rgb(164, 55, 47);
/* oklch */ color: oklch(49.4% 0.145 27.8);

Tailwind

colors: {
  custom: {
    50: '#c67468',
    500: '#a4372f',
    950: '#000000',
  },
}

SCSS

$custom: #a4372f;
$custom-light: #c67468;
$custom-dark: #000000;

JSON

{
  "hex": "#a4372f",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 4.103,
    "s": 55.45,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49372,
    "c": 0.14539,
    "h": 27.8
  },
  "luminance": 0.1083
}

Semantic roles & 50–950 ramp

primary

#A4372F

secondary

#6FBAC0

accent

#D5DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A4372F

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

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