#A4372D#A4372D

#A4372D is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.146 H 28.7°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A4372D
RGB	rgb(164, 55, 45)
HSL	hsl(5, 57%, 41%)
HSV	hsv(5, 73%, 64%)
CMYK	cmyk(0%, 66.5%, 72.6%, 35.7%)
CIE-LAB	lab(39.27, 44.31, 30.71)
CIE-LCH	lch(39.27, 53.91, 34.72°)
OKLab	oklab(49.34% 0.1279 0.07)
OKLCH	oklch(49.34% 0.146 28.7)
XYZ	xyz(17.1515, 10.8168, 3.6668)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4372D #2D9AA4

analogous

#A42D5E #A4372D #A4722D

triadic

#A4372D #2DA437 #372DA4

tetradic

#A4372D #5EA42D #2D9AA4 #722DA4

square

#A4372D #5EA42D #2D9AA4 #722DA4

split-complementary

#A4372D #2DA472 #2D5EA4

monochromatic

#441713 #742720 #A4372D #CB4E43 #D97B73

Accessibility & contrast

On white

6.64

#A4372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A4372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4372D

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4372D	#FFFFFF	#000000	##FFFFFF
##A4372D	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)

#554D2B

Deuteranopia (green-blind)

#70652A

Tritanopia (blue-blind)

#B41A35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a4372d;
/* rgb */ color: rgb(164, 55, 45);
/* oklch */ color: oklch(49.3% 0.146 28.7);

Tailwind

colors: {
  custom: {
    50: '#c67466',
    500: '#a4372d',
    950: '#000000',
  },
}

SCSS

$custom: #a4372d;
$custom-light: #c67466;
$custom-dark: #000000;

JSON

{
  "hex": "#a4372d",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 5.042,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49343,
    "c": 0.14575,
    "h": 28.7
  },
  "luminance": 0.10814
}

Semantic roles & 50–950 ramp

primary

#A4372D

secondary

#6DB9C0

accent

#D3E048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A4372D

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

Preview Lab → · Contrast checker → · Palette generator →