#A33F22#A33F22

#A33F22 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.1% C 0.139 H 36.6°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A33F22
RGB	rgb(163, 63, 34)
HSL	hsl(13, 65%, 39%)
HSV	hsv(13, 79%, 64%)
CMYK	cmyk(0%, 61.3%, 79.1%, 36.1%)
CIE-LAB	lab(40.34, 39.80, 37.97)
CIE-LCH	lch(40.34, 55.00, 43.65°)
OKLab	oklab(50.08% 0.1118 0.083)
OKLCH	oklch(50.08% 0.139 36.6)
XYZ	xyz(17.1723, 11.4594, 2.8207)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33F22 #2286A3

analogous

#A32246 #A33F22 #A37F22

triadic

#A33F22 #22A33F #3F22A3

tetradic

#A33F22 #46A322 #2286A3 #7F22A3

square

#A33F22 #46A322 #2286A3 #7F22A3

split-complementary

#A33F22 #22A37F #2246A3

monochromatic

#3E180D #702B17 #A33F22 #D4542F #DE7D61

Accessibility & contrast

On white

6.38

#A33F22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33F22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33F22

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33F22	#FFFFFF	#000000	##FFFFFF
##A33F22	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511E

Deuteranopia (green-blind)

#74671E

Tritanopia (blue-blind)

#B32739

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33f22;
/* rgb */ color: rgb(163, 63, 34);
/* oklch */ color: oklch(50.1% 0.139 36.6);

Tailwind

colors: {
  custom: {
    50: '#c6785f',
    500: '#a33f22',
    950: '#000000',
  },
}

SCSS

$custom: #a33f22;
$custom-light: #c6785f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33f22",
  "rgb": {
    "r": 163,
    "g": 63,
    "b": 34
  },
  "hsl": {
    "h": 13.488,
    "s": 65.482,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50079,
    "c": 0.13923,
    "h": 36.6
  },
  "luminance": 0.11457
}

Semantic roles & 50–950 ramp

primary

#A33F22

secondary

#5EACC3

accent

#C2E83F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33F22

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

Preview Lab → · Contrast checker → · Palette generator →