#A6372E#A6372E

#A6372E is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.7% C 0.148 H 28.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A6372E
RGB	rgb(166, 55, 46)
HSL	hsl(5, 57%, 42%)
HSV	hsv(5, 72%, 65%)
CMYK	cmyk(0%, 66.9%, 72.3%, 34.9%)
CIE-LAB	lab(39.65, 45.06, 30.65)
CIE-LCH	lch(39.65, 54.50, 34.22°)
OKLab	oklab(49.7% 0.1302 0.0699)
OKLCH	oklch(49.7% 0.148 28.2)
XYZ	xyz(17.5871, 11.0392, 3.7889)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6372E #2E9DA6

analogous

#A62E61 #A6372E #A6732E

triadic

#A6372E #2EA637 #372EA6

tetradic

#A6372E #61A62E #2E9DA6 #732EA6

square

#A6372E #61A62E #2E9DA6 #732EA6

split-complementary

#A6372E #2EA673 #2E61A6

monochromatic

#461713 #762721 #A6372E #CC5046 #D97D76

Accessibility & contrast

On white

6.55

#A6372E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A6372E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6372E

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6372E	#FFFFFF	#000000	##FFFFFF
##A6372E	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)

#564E2C

Deuteranopia (green-blind)

#72662A

Tritanopia (blue-blind)

#B71936

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a6372e;
/* rgb */ color: rgb(166, 55, 46);
/* oklch */ color: oklch(49.7% 0.148 28.2);

Tailwind

colors: {
  custom: {
    50: '#c87467',
    500: '#a6372e',
    950: '#000000',
  },
}

SCSS

$custom: #a6372e;
$custom-light: #c87467;
$custom-dark: #000000;

JSON

{
  "hex": "#a6372e",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 46
  },
  "hsl": {
    "h": 4.5,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49698,
    "c": 0.14777,
    "h": 28.2
  },
  "luminance": 0.11037
}

Semantic roles & 50–950 ramp

primary

#A6372E

secondary

#6FBBC1

accent

#D4E048

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A6372E

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

Preview Lab → · Contrast checker → · Palette generator →