#A43321#A43321

#A43321 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.152 H 31.7°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#A43321
RGB	rgb(164, 51, 33)
HSL	hsl(8, 66%, 39%)
HSV	hsv(8, 80%, 64%)
CMYK	cmyk(0%, 68.9%, 79.9%, 35.7%)
CIE-LAB	lab(38.50, 45.51, 36.69)
CIE-LCH	lch(38.50, 58.46, 38.88°)
OKLab	oklab(48.72% 0.1291 0.0799)
OKLCH	oklch(48.72% 0.152 31.7)
XYZ	xyz(16.7701, 10.3725, 2.5576)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43321 #2192A4

analogous

#A42150 #A43321 #A47421

triadic

#A43321 #21A433 #3321A4

tetradic

#A43321 #50A421 #2192A4 #7421A4

square

#A43321 #50A421 #2192A4 #7421A4

split-complementary

#A43321 #21A474 #2150A4

monochromatic

#3E130C #712317 #A43321 #D5442D #DF7260

Accessibility & contrast

On white

6.83

#A43321 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A43321 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43321

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43321	#FFFFFF	#000000	##FFFFFF
##A43321	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#70641C

Tritanopia (blue-blind)

#B50D30

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a43321;
/* rgb */ color: rgb(164, 51, 33);
/* oklch */ color: oklch(48.7% 0.152 31.7);

Tailwind

colors: {
  custom: {
    50: '#c7715e',
    500: '#a43321',
    950: '#000000',
  },
}

SCSS

$custom: #a43321;
$custom-light: #c7715e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43321",
  "rgb": {
    "r": 164,
    "g": 51,
    "b": 33
  },
  "hsl": {
    "h": 8.244,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48724,
    "c": 0.15186,
    "h": 31.7
  },
  "luminance": 0.1037
}

Semantic roles & 50–950 ramp

primary

#A43321

secondary

#5DB6C4

accent

#D2E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A43321

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

Preview Lab → · Contrast checker → · Palette generator →