#A63221#A63221

#A63221 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.155 H 31.3°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A63221
RGB	rgb(166, 50, 33)
HSL	hsl(8, 67%, 39%)
HSV	hsv(8, 80%, 65%)
CMYK	cmyk(0%, 69.9%, 80.1%, 34.9%)
CIE-LAB	lab(38.73, 46.61, 37.04)
CIE-LCH	lch(38.73, 59.54, 38.47°)
OKLab	oklab(48.96% 0.1324 0.0805)
OKLCH	oklch(48.96% 0.155 31.3)
XYZ	xyz(17.1430, 10.5006, 2.5627)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63221 #2195A6

analogous

#A62153 #A63221 #A67521

triadic

#A63221 #21A632 #3221A6

tetradic

#A63221 #53A621 #2195A6 #7521A6

square

#A63221 #53A621 #2195A6 #7521A6

split-complementary

#A63221 #21A675 #2153A6

monochromatic

#40130D #732317 #A63221 #D6442F #E07262

Accessibility & contrast

On white

6.78

#A63221 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A63221 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63221

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63221	#FFFFFF	#000000	##FFFFFF
##A63221	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)

#544B1E

Deuteranopia (green-blind)

#71651C

Tritanopia (blue-blind)

#B7072F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63221;
/* rgb */ color: rgb(166, 50, 33);
/* oklch */ color: oklch(49.0% 0.155 31.3);

Tailwind

colors: {
  custom: {
    50: '#c9715e',
    500: '#a63221',
    950: '#000000',
  },
}

SCSS

$custom: #a63221;
$custom-light: #c9715e;
$custom-dark: #000000;

JSON

{
  "hex": "#a63221",
  "rgb": {
    "r": 166,
    "g": 50,
    "b": 33
  },
  "hsl": {
    "h": 7.669,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4896,
    "c": 0.15491,
    "h": 31.3
  },
  "luminance": 0.10498
}

Semantic roles & 50–950 ramp

primary

#A63221

secondary

#5EB8C5

accent

#D4EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A63221

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

Preview Lab → · Contrast checker → · Palette generator →