#A7321B#A7321B

#A7321B is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.157 H 33.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A7321B
RGB	rgb(167, 50, 27)
HSL	hsl(10, 72%, 38%)
HSV	hsv(10, 84%, 65%)
CMYK	cmyk(0%, 70.1%, 83.8%, 34.5%)
CIE-LAB	lab(38.86, 46.76, 40.37)
CIE-LCH	lch(38.86, 61.78, 40.81°)
OKLab	oklab(49.08% 0.1316 0.0856)
OKLCH	oklch(49.08% 0.157 33)
XYZ	xyz(17.2768, 10.5785, 2.1688)
Luminance	0.1058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7321B #1B90A7

analogous

#A71B4A #A7321B #A7781B

triadic

#A7321B #1BA732 #321BA7

tetradic

#A7321B #4AA71B #1B90A7 #781BA7

square

#A7321B #4AA71B #1B90A7 #781BA7

split-complementary

#A7321B #1BA778 #1B4AA7

monochromatic

#3E120A #722212 #A7321B #DC4224 #E46F58

Accessibility & contrast

On white

6.74

#A7321B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A7321B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7321B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7321B	#FFFFFF	#000000	##FFFFFF
##A7321B	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B17

Deuteranopia (green-blind)

#726515

Tritanopia (blue-blind)

#B8032E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a7321b;
/* rgb */ color: rgb(167, 50, 27);
/* oklch */ color: oklch(49.1% 0.157 33.0);

Tailwind

colors: {
  custom: {
    50: '#ca715a',
    500: '#a7321b',
    950: '#000000',
  },
}

SCSS

$custom: #a7321b;
$custom-light: #ca715a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7321b",
  "rgb": {
    "r": 167,
    "g": 50,
    "b": 27
  },
  "hsl": {
    "h": 9.857,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.49079,
    "c": 0.15701,
    "h": 33
  },
  "luminance": 0.10576
}

Semantic roles & 50–950 ramp

primary

#A7321B

secondary

#56B5C8

accent

#D1EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A7321B

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

Preview Lab → · Contrast checker → · Palette generator →