#A63822#A63822

#A63822 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.149 H 33.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#A63822
RGB	rgb(166, 56, 34)
HSL	hsl(10, 66%, 39%)
HSV	hsv(10, 80%, 65%)
CMYK	cmyk(0%, 66.3%, 79.5%, 34.9%)
CIE-LAB	lab(39.67, 44.11, 37.46)
CIE-LCH	lch(39.67, 57.87, 40.33°)
OKLab	oklab(49.67% 0.1248 0.0817)
OKLCH	oklch(49.67% 0.149 33.2)
XYZ	xyz(17.4307, 11.0534, 2.7287)
Luminance	0.1105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63822 #2290A6

analogous

#A6224E #A63822 #A67A22

triadic

#A63822 #22A638 #3822A6

tetradic

#A63822 #4EA622 #2290A6 #7A22A6

square

#A63822 #4EA622 #2290A6 #7A22A6

split-complementary

#A63822 #22A67A #224EA6

monochromatic

#40160D #732718 #A63822 #D54C30 #DF7863

Accessibility & contrast

On white

6.54

#A63822 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A63822 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63822

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63822	#FFFFFF	#000000	##FFFFFF
##A63822	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1F

Deuteranopia (green-blind)

#73661E

Tritanopia (blue-blind)

#B71834

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a63822;
/* rgb */ color: rgb(166, 56, 34);
/* oklch */ color: oklch(49.7% 0.149 33.2);

Tailwind

colors: {
  custom: {
    50: '#c9745f',
    500: '#a63822',
    950: '#000000',
  },
}

SCSS

$custom: #a63822;
$custom-light: #c9745f;
$custom-dark: #000000;

JSON

{
  "hex": "#a63822",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 34
  },
  "hsl": {
    "h": 10,
    "s": 66,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49672,
    "c": 0.14916,
    "h": 33.2
  },
  "luminance": 0.11051
}

Semantic roles & 50–950 ramp

primary

#A63822

secondary

#5FB4C4

accent

#CDE93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A63822

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

Preview Lab → · Contrast checker → · Palette generator →