#A5372D#A5372D

#A5372D is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.147 H 28.7°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#A5372D
RGB	rgb(165, 55, 45)
HSL	hsl(5, 57%, 41%)
HSV	hsv(5, 73%, 65%)
CMYK	cmyk(0%, 66.7%, 72.7%, 35.3%)
CIE-LAB	lab(39.45, 44.67, 30.96)
CIE-LCH	lch(39.45, 54.35, 34.73°)
OKLab	oklab(49.51% 0.1289 0.0705)
OKLCH	oklch(49.51% 0.147 28.7)
XYZ	xyz(17.3588, 10.9237, 3.6765)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5372D #2D9BA5

analogous

#A52D5F #A5372D #A5732D

triadic

#A5372D #2DA537 #372DA5

tetradic

#A5372D #5FA52D #2D9BA5 #732DA5

square

#A5372D #5FA52D #2D9BA5 #732DA5

split-complementary

#A5372D #2DA573 #2D5FA5

monochromatic

#451713 #752720 #A5372D #CC4F43 #D97C73

Accessibility & contrast

On white

6.60

#A5372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#A5372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5372D

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5372D	#FFFFFF	#000000	##FFFFFF
##A5372D	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)

#564E2B

Deuteranopia (green-blind)

#716629

Tritanopia (blue-blind)

#B51935

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a5372d;
/* rgb */ color: rgb(165, 55, 45);
/* oklch */ color: oklch(49.5% 0.147 28.7);

Tailwind

colors: {
  custom: {
    50: '#c77466',
    500: '#a5372d',
    950: '#000000',
  },
}

SCSS

$custom: #a5372d;
$custom-light: #c77466;
$custom-dark: #000000;

JSON

{
  "hex": "#a5372d",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 5,
    "s": 57.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.49514,
    "c": 0.14686,
    "h": 28.7
  },
  "luminance": 0.10921
}

Semantic roles & 50–950 ramp

primary

#A5372D

secondary

#6DBAC1

accent

#D4E047

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A5372D

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

Preview Lab → · Contrast checker → · Palette generator →