#A6372D#A6372D

#A6372D is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.148 H 28.7°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A6372D
RGB	rgb(166, 55, 45)
HSL	hsl(5, 57%, 41%)
HSV	hsv(5, 73%, 65%)
CMYK	cmyk(0%, 66.9%, 72.9%, 34.9%)
CIE-LAB	lab(39.63, 45.02, 31.22)
CIE-LCH	lch(39.63, 54.78, 34.74°)
OKLab	oklab(49.68% 0.1298 0.071)
OKLCH	oklch(49.68% 0.148 28.7)
XYZ	xyz(17.5676, 11.0314, 3.6863)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6372D #2D9CA6

analogous

#A62D60 #A6372D #A6742D

triadic

#A6372D #2DA637 #372DA6

tetradic

#A6372D #60A62D #2D9CA6 #742DA6

square

#A6372D #60A62D #2D9CA6 #742DA6

split-complementary

#A6372D #2DA674 #2D60A6

monochromatic

#461713 #762720 #A6372D #CC4F44 #D97C74

Accessibility & contrast

On white

6.55

#A6372D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A6372D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6372D

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6372D	#FFFFFF	#000000	##FFFFFF
##A6372D	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E2B

Deuteranopia (green-blind)

#726629

Tritanopia (blue-blind)

#B71935

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a6372d;
/* rgb */ color: rgb(166, 55, 45);
/* oklch */ color: oklch(49.7% 0.148 28.7);

Tailwind

colors: {
  custom: {
    50: '#c87466',
    500: '#a6372d',
    950: '#000000',
  },
}

SCSS

$custom: #a6372d;
$custom-light: #c87466;
$custom-dark: #000000;

JSON

{
  "hex": "#a6372d",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 45
  },
  "hsl": {
    "h": 4.959,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49684,
    "c": 0.14796,
    "h": 28.7
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary

#A6372D

secondary

#6EBAC1

accent

#D4E147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A6372D

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

Preview Lab → · Contrast checker → · Palette generator →