#A33A2B#A33A2B

#A33A2B is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.142 H 30.8°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A33A2B
RGB	rgb(163, 58, 43)
HSL	hsl(8, 58%, 40%)
HSV	hsv(8, 74%, 64%)
CMYK	cmyk(0%, 64.4%, 73.6%, 36.1%)
CIE-LAB	lab(39.56, 42.52, 32.16)
CIE-LCH	lch(39.56, 53.31, 37.10°)
OKLab	oklab(49.52% 0.122 0.0727)
OKLCH	oklch(49.52% 0.142 30.8)
XYZ	xyz(17.0552, 10.9895, 3.5081)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A2B #2B94A3

analogous

#A32B58 #A33A2B #A3762B

triadic

#A33A2B #2BA33A #3A2BA3

tetradic

#A33A2B #58A32B #2B94A3 #762BA3

square

#A33A2B #58A32B #2B94A3 #762BA3

split-complementary

#A33A2B #2BA376 #2B58A3

monochromatic

#421811 #73291E #A33A2B #CC513F #D97D6F

Accessibility & contrast

On white

6.57

#A33A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A2B

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A2B	#FFFFFF	#000000	##FFFFFF
##A33A2B	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F29

Deuteranopia (green-blind)

#716628

Tritanopia (blue-blind)

#B32037

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a2b;
/* rgb */ color: rgb(163, 58, 43);
/* oklch */ color: oklch(49.5% 0.142 30.8);

Tailwind

colors: {
  custom: {
    50: '#c57565',
    500: '#a33a2b',
    950: '#000000',
  },
}

SCSS

$custom: #a33a2b;
$custom-light: #c57565;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a2b",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 7.5,
    "s": 58.252,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49521,
    "c": 0.142,
    "h": 30.8
  },
  "luminance": 0.10987
}

Semantic roles & 50–950 ramp

primary

#A33A2B

secondary

#6AB5C0

accent

#CEE146

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33A2B

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

Preview Lab → · Contrast checker → · Palette generator →