#A33A2C#A33A2C

#A33A2C is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.142 H 30.4°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A33A2C
RGB	rgb(163, 58, 44)
HSL	hsl(7, 57%, 41%)
HSV	hsv(7, 73%, 64%)
CMYK	cmyk(0%, 64.4%, 73%, 36.1%)
CIE-LAB	lab(39.58, 42.57, 31.59)
CIE-LCH	lch(39.58, 53.01, 36.58°)
OKLab	oklab(49.54% 0.1223 0.0717)
OKLCH	oklch(49.54% 0.142 30.4)
XYZ	xyz(17.0737, 10.9969, 3.6059)
Luminance	0.1099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A2C #2C95A3

analogous

#A32C59 #A33A2C #A3752C

triadic

#A33A2C #2CA33A #3A2CA3

tetradic

#A33A2C #59A32C #2C95A3 #752CA3

square

#A33A2C #59A32C #2C95A3 #752CA3

split-complementary

#A33A2C #2CA375 #2C59A3

monochromatic

#431812 #73291F #A33A2C #CC5141 #D97D71

Accessibility & contrast

On white

6.56

#A33A2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33A2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A2C

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A2C	#FFFFFF	#000000	##FFFFFF
##A33A2C	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#716629

Tritanopia (blue-blind)

#B32037

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a2c;
/* rgb */ color: rgb(163, 58, 44);
/* oklch */ color: oklch(49.5% 0.142 30.4);

Tailwind

colors: {
  custom: {
    50: '#c57566',
    500: '#a33a2c',
    950: '#000000',
  },
}

SCSS

$custom: #a33a2c;
$custom-light: #c57566;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a2c",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 7.059,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49535,
    "c": 0.1418,
    "h": 30.4
  },
  "luminance": 0.10994
}

Semantic roles & 50–950 ramp

primary

#A33A2C

secondary

#6BB6C0

accent

#CFE147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33A2C

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

Preview Lab → · Contrast checker → · Palette generator →