#A33C2B#A33C2B

#A33C2B is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.140 H 31.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#A33C2B
RGB	rgb(163, 60, 43)
HSL	hsl(9, 58%, 40%)
HSV	hsv(9, 74%, 64%)
CMYK	cmyk(0%, 63.2%, 73.6%, 36.1%)
CIE-LAB	lab(39.91, 41.60, 32.54)
CIE-LCH	lch(39.91, 52.82, 38.03°)
OKLab	oklab(49.78% 0.1191 0.0736)
OKLCH	oklch(49.78% 0.14 31.7)
XYZ	xyz(17.1580, 11.1951, 3.5424)
Luminance	0.1119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C2B #2B92A3

analogous

#A32B56 #A33C2B #A3782B

triadic

#A33C2B #2BA33C #3C2BA3

tetradic

#A33C2B #56A32B #2B92A3 #782BA3

square

#A33C2B #56A32B #2B92A3 #782BA3

split-complementary

#A33C2B #2BA378 #2B56A3

monochromatic

#421811 #732A1E #A33C2B #CC533F #D97E6F

Accessibility & contrast

On white

6.48

#A33C2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#A33C2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C2B

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C2B	#FFFFFF	#000000	##FFFFFF
##A33C2B	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585029

Deuteranopia (green-blind)

#726628

Tritanopia (blue-blind)

#B32339

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c2b;
/* rgb */ color: rgb(163, 60, 43);
/* oklch */ color: oklch(49.8% 0.140 31.7);

Tailwind

colors: {
  custom: {
    50: '#c57665',
    500: '#a33c2b',
    950: '#000000',
  },
}

SCSS

$custom: #a33c2b;
$custom-light: #c57665;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c2b",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 43
  },
  "hsl": {
    "h": 8.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49781,
    "c": 0.14,
    "h": 31.7
  },
  "luminance": 0.11193
}

Semantic roles & 50–950 ramp

primary

#A33C2B

secondary

#6AB4C0

accent

#CBE146

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33C2B

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

Preview Lab → · Contrast checker → · Palette generator →