#A33B2C#A33B2C

#A33B2C is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.141 H 30.8°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#A33B2C
RGB	rgb(163, 59, 44)
HSL	hsl(8, 57%, 41%)
HSV	hsv(8, 73%, 64%)
CMYK	cmyk(0%, 63.8%, 73%, 36.1%)
CIE-LAB	lab(39.75, 42.11, 31.79)
CIE-LCH	lch(39.75, 52.76, 37.04°)
OKLab	oklab(49.66% 0.1209 0.0722)
OKLCH	oklch(49.66% 0.141 30.8)
XYZ	xyz(17.1246, 11.0987, 3.6229)
Luminance	0.1110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B2C #2C94A3

analogous

#A32C58 #A33B2C #A3762C

triadic

#A33B2C #2CA33B #3B2CA3

tetradic

#A33B2C #58A32C #2C94A3 #762CA3

square

#A33B2C #58A32C #2C94A3 #762CA3

split-complementary

#A33B2C #2CA376 #2C58A3

monochromatic

#431812 #732A1F #A33B2C #CC5241 #D97E71

Accessibility & contrast

On white

6.52

#A33B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A33B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B2C

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B2C	#FFFFFF	#000000	##FFFFFF
##A33B2C	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F2A

Deuteranopia (green-blind)

#716629

Tritanopia (blue-blind)

#B32238

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33b2c;
/* rgb */ color: rgb(163, 59, 44);
/* oklch */ color: oklch(49.7% 0.141 30.8);

Tailwind

colors: {
  custom: {
    50: '#c57666',
    500: '#a33b2c',
    950: '#000000',
  },
}

SCSS

$custom: #a33b2c;
$custom-light: #c57666;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b2c",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 44
  },
  "hsl": {
    "h": 7.563,
    "s": 57.488,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49664,
    "c": 0.14078,
    "h": 30.8
  },
  "luminance": 0.11096
}

Semantic roles & 50–950 ramp

primary

#A33B2C

secondary

#6BB5C0

accent

#CDE147

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33B2C

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

Preview Lab → · Contrast checker → · Palette generator →