#A83721#A83721

#A83721 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.152 H 33.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#A83721
RGB	rgb(168, 55, 33)
HSL	hsl(10, 67%, 39%)
HSV	hsv(10, 80%, 66%)
CMYK	cmyk(0%, 67.3%, 80.4%, 34.1%)
CIE-LAB	lab(39.86, 45.22, 38.30)
CIE-LCH	lch(39.86, 59.26, 40.26°)
OKLab	oklab(49.88% 0.1278 0.0831)
OKLCH	oklch(49.88% 0.152 33)
XYZ	xyz(17.7912, 11.1696, 2.6577)
Luminance	0.1117 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83721 #2192A8

analogous

#A8214F #A83721 #A87B21

triadic

#A83721 #21A837 #3721A8

tetradic

#A83721 #4FA821 #2192A8 #7B21A8

square

#A83721 #4FA821 #2192A8 #7B21A8

split-complementary

#A83721 #21A87B #214FA8

monochromatic

#42160D #752617 #A83721 #D64B30 #E07763

Accessibility & contrast

On white

6.49

#A83721 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A83721 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83721

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83721	#FFFFFF	#000000	##FFFFFF
##A83721	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1E

Deuteranopia (green-blind)

#74671C

Tritanopia (blue-blind)

#B91433

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a83721;
/* rgb */ color: rgb(168, 55, 33);
/* oklch */ color: oklch(49.9% 0.152 33.0);

Tailwind

colors: {
  custom: {
    50: '#ca745e',
    500: '#a83721',
    950: '#000000',
  },
}

SCSS

$custom: #a83721;
$custom-light: #ca745e;
$custom-dark: #000000;

JSON

{
  "hex": "#a83721",
  "rgb": {
    "r": 168,
    "g": 55,
    "b": 33
  },
  "hsl": {
    "h": 9.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49883,
    "c": 0.15244,
    "h": 33
  },
  "luminance": 0.11167
}

Semantic roles & 50–950 ramp

primary

#A83721

secondary

#5FB5C5

accent

#CEEA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A83721

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

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