#A6321B#A6321B

#A6321B is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.156 H 33.1°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A6321B
RGB	rgb(166, 50, 27)
HSL	hsl(10, 72%, 38%)
HSV	hsv(10, 84%, 65%)
CMYK	cmyk(0%, 69.9%, 83.7%, 34.9%)
CIE-LAB	lab(38.67, 46.42, 40.13)
CIE-LCH	lch(38.67, 61.36, 40.84°)
OKLab	oklab(48.9% 0.1306 0.0852)
OKLCH	oklch(48.9% 0.156 33.1)
XYZ	xyz(17.0663, 10.4699, 2.1590)
Luminance	0.1047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6321B #1B8FA6

analogous

#A61B49 #A6321B #A6771B

triadic

#A6321B #1BA632 #321BA6

tetradic

#A6321B #49A61B #1B8FA6 #771BA6

square

#A6321B #49A61B #1B8FA6 #771BA6

split-complementary

#A6321B #1BA677 #1B49A6

monochromatic

#3D120A #712212 #A6321B #DB4224 #E46F58

Accessibility & contrast

On white

6.79

#A6321B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A6321B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6321B

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6321B	#FFFFFF	#000000	##FFFFFF
##A6321B	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B17

Deuteranopia (green-blind)

#716415

Tritanopia (blue-blind)

#B7052E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6321b;
/* rgb */ color: rgb(166, 50, 27);
/* oklch */ color: oklch(48.9% 0.156 33.1);

Tailwind

colors: {
  custom: {
    50: '#c9715a',
    500: '#a6321b',
    950: '#000000',
  },
}

SCSS

$custom: #a6321b;
$custom-light: #c9715a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6321b",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 27
  },
  "hsl": {
    "h": 9.928,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48903,
    "c": 0.15596,
    "h": 33.1
  },
  "luminance": 0.10467
}

Semantic roles & 50–950 ramp

primary

#A6321B

secondary

#56B4C7

accent

#D1EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6321B

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

Preview Lab → · Contrast checker → · Palette generator →