#A33B22#A33B22

#A33B22 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.143 H 34.7°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A33B22
RGB	rgb(163, 59, 34)
HSL	hsl(12, 65%, 39%)
HSV	hsv(12, 79%, 64%)
CMYK	cmyk(0%, 63.8%, 79.1%, 36.1%)
CIE-LAB	lab(39.63, 41.68, 37.25)
CIE-LCH	lch(39.63, 55.90, 41.79°)
OKLab	oklab(49.54% 0.1176 0.0815)
OKLCH	oklch(49.54% 0.143 34.7)
XYZ	xyz(16.9588, 11.0324, 2.7495)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B22 #228AA3

analogous

#A32249 #A33B22 #A37B22

triadic

#A33B22 #22A33B #3B22A3

tetradic

#A33B22 #49A322 #228AA3 #7B22A3

square

#A33B22 #49A322 #228AA3 #7B22A3

split-complementary

#A33B22 #22A37B #2249A3

monochromatic

#3E160D #702917 #A33B22 #D44F2F #DE7961

Accessibility & contrast

On white

6.55

#A33B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A33B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B22

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B22	#FFFFFF	#000000	##FFFFFF
##A33B22	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F1E

Deuteranopia (green-blind)

#72661E

Tritanopia (blue-blind)

#B42036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33b22;
/* rgb */ color: rgb(163, 59, 34);
/* oklch */ color: oklch(49.5% 0.143 34.7);

Tailwind

colors: {
  custom: {
    50: '#c6765f',
    500: '#a33b22',
    950: '#000000',
  },
}

SCSS

$custom: #a33b22;
$custom-light: #c6765f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b22",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 11.628,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49544,
    "c": 0.14304,
    "h": 34.7
  },
  "luminance": 0.1103
}

Semantic roles & 50–950 ramp

primary

#A33B22

secondary

#5EAFC3

accent

#C8E83F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33B22

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

Preview Lab → · Contrast checker → · Palette generator →