#A5372B#A5372B

#A5372B is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.147 H 29.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A5372B
RGB	rgb(165, 55, 43)
HSL	hsl(6, 59%, 41%)
HSV	hsv(6, 74%, 65%)
CMYK	cmyk(0%, 66.7%, 73.9%, 35.3%)
CIE-LAB	lab(39.43, 44.57, 32.10)
CIE-LCH	lch(39.43, 54.93, 35.76°)
OKLab	oklab(49.49% 0.1281 0.0725)
OKLCH	oklch(49.49% 0.147 29.5)
XYZ	xyz(17.3212, 10.9086, 3.4785)
Luminance	0.1091 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5372B #2B99A5

analogous

#A52B5C #A5372B #A5742B

triadic

#A5372B #2BA537 #372BA5

tetradic

#A5372B #5CA52B #2B99A5 #742BA5

square

#A5372B #5CA52B #2B99A5 #742BA5

split-complementary

#A5372B #2BA574 #2B5CA5

monochromatic

#441712 #74271E #A5372B #CD4E40 #DA7B71

Accessibility & contrast

On white

6.60

#A5372B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A5372B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5372B

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5372B	#FFFFFF	#000000	##FFFFFF
##A5372B	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E29

Deuteranopia (green-blind)

#716627

Tritanopia (blue-blind)

#B61935

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a5372b;
/* rgb */ color: rgb(165, 55, 43);
/* oklch */ color: oklch(49.5% 0.147 29.5);

Tailwind

colors: {
  custom: {
    50: '#c77465',
    500: '#a5372b',
    950: '#000000',
  },
}

SCSS

$custom: #a5372b;
$custom-light: #c77465;
$custom-dark: #000000;

JSON

{
  "hex": "#a5372b",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 43
  },
  "hsl": {
    "h": 5.902,
    "s": 58.654,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49486,
    "c": 0.14722,
    "h": 29.5
  },
  "luminance": 0.10906
}

Semantic roles & 50–950 ramp

primary

#A5372B

secondary

#6BB9C1

accent

#D3E246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A5372B

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

Preview Lab → · Contrast checker → · Palette generator →