#A6321D#A6321D

#A6321D is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.156 H 32.5°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A6321D
RGB	rgb(166, 50, 29)
HSL	hsl(9, 70%, 38%)
HSV	hsv(9, 83%, 65%)
CMYK	cmyk(0%, 69.9%, 82.5%, 34.9%)
CIE-LAB	lab(38.69, 46.48, 39.13)
CIE-LCH	lch(38.69, 60.76, 40.09°)
OKLab	oklab(48.92% 0.1312 0.0837)
OKLCH	oklch(48.92% 0.156 32.5)
XYZ	xyz(17.0903, 10.4795, 2.2850)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6321D #1D91A6

analogous

#A61D4C #A6321D #A6761D

triadic

#A6321D #1DA632 #321DA6

tetradic

#A6321D #4CA61D #1D91A6 #761DA6

square

#A6321D #4CA61D #1D91A6 #761DA6

split-complementary

#A6321D #1DA676 #1D4CA6

monochromatic

#3E130B #722214 #A6321D #D94227 #E2705B

Accessibility & contrast

On white

6.78

#A6321D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A6321D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6321D

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6321D	#FFFFFF	#000000	##FFFFFF
##A6321D	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B19

Deuteranopia (green-blind)

#716517

Tritanopia (blue-blind)

#B7052E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6321d;
/* rgb */ color: rgb(166, 50, 29);
/* oklch */ color: oklch(48.9% 0.156 32.5);

Tailwind

colors: {
  custom: {
    50: '#c9715b',
    500: '#a6321d',
    950: '#000000',
  },
}

SCSS

$custom: #a6321d;
$custom-light: #c9715b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6321d",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 29
  },
  "hsl": {
    "h": 9.197,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48921,
    "c": 0.15562,
    "h": 32.5
  },
  "luminance": 0.10477
}

Semantic roles & 50–950 ramp

primary

#A6321D

secondary

#59B5C6

accent

#D2ED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6321D

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

Preview Lab → · Contrast checker → · Palette generator →