#A6321F#A6321F

#A6321F is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.155 H 31.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A6321F
RGB	rgb(166, 50, 31)
HSL	hsl(8, 69%, 39%)
HSV	hsv(8, 81%, 65%)
CMYK	cmyk(0%, 69.9%, 81.3%, 34.9%)
CIE-LAB	lab(38.71, 46.54, 38.10)
CIE-LCH	lch(38.71, 60.15, 39.30°)
OKLab	oklab(48.94% 0.1318 0.0821)
OKLCH	oklch(48.94% 0.155 31.9)
XYZ	xyz(17.1158, 10.4897, 2.4195)
Luminance	0.1049 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6321F #1F93A6

analogous

#A61F50 #A6321F #A6751F

triadic

#A6321F #1FA632 #321FA6

tetradic

#A6321F #50A61F #1F93A6 #751FA6

square

#A6321F #50A61F #1F93A6 #751FA6

split-complementary

#A6321F #1FA675 #1F50A6

monochromatic

#3F130C #722215 #A6321F #D7432B #E1715E

Accessibility & contrast

On white

6.78

#A6321F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A6321F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6321F

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6321F	#FFFFFF	#000000	##FFFFFF
##A6321F	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)

#544B1C

Deuteranopia (green-blind)

#71651A

Tritanopia (blue-blind)

#B7062F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a6321f;
/* rgb */ color: rgb(166, 50, 31);
/* oklch */ color: oklch(48.9% 0.155 31.9);

Tailwind

colors: {
  custom: {
    50: '#c9715c',
    500: '#a6321f',
    950: '#000000',
  },
}

SCSS

$custom: #a6321f;
$custom-light: #c9715c;
$custom-dark: #000000;

JSON

{
  "hex": "#a6321f",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 31
  },
  "hsl": {
    "h": 8.444,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.4894,
    "c": 0.15526,
    "h": 31.9
  },
  "luminance": 0.10487
}

Semantic roles & 50–950 ramp

primary

#A6321F

secondary

#5BB7C5

accent

#D3EB3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6321F

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

Preview Lab → · Contrast checker → · Palette generator →