#A33320#A33320

#A33320 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.5% C 0.151 H 32.1°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A33320
RGB	rgb(163, 51, 32)
HSL	hsl(9, 67%, 38%)
HSV	hsv(9, 80%, 64%)
CMYK	cmyk(0%, 68.7%, 80.4%, 36.1%)
CIE-LAB	lab(38.31, 45.13, 36.98)
CIE-LCH	lch(38.31, 58.34, 39.33°)
OKLab	oklab(48.54% 0.1279 0.0803)
OKLCH	oklch(48.54% 0.151 32.1)
XYZ	xyz(16.5507, 10.2609, 2.4753)
Luminance	0.1026 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33320 #2090A3

analogous

#A3204F #A33320 #A37420

triadic

#A33320 #20A333 #3320A3

tetradic

#A33320 #4FA320 #2090A3 #7420A3

square

#A33320 #4FA320 #2090A3 #7420A3

split-complementary

#A33320 #20A374 #204FA3

monochromatic

#3D130C #702316 #A33320 #D5442B #DF715E

Accessibility & contrast

On white

6.88

#A33320 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A33320 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33320

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33320	#FFFFFF	#000000	##FFFFFF
##A33320	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A1D

Deuteranopia (green-blind)

#6F631B

Tritanopia (blue-blind)

#B40E30

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33320;
/* rgb */ color: rgb(163, 51, 32);
/* oklch */ color: oklch(48.5% 0.151 32.1);

Tailwind

colors: {
  custom: {
    50: '#c7715d',
    500: '#a33320',
    950: '#000000',
  },
}

SCSS

$custom: #a33320;
$custom-light: #c7715d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33320",
  "rgb": {
    "r": 163,
    "g": 51,
    "b": 32
  },
  "hsl": {
    "h": 8.702,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48539,
    "c": 0.15098,
    "h": 32.1
  },
  "luminance": 0.10258
}

Semantic roles & 50–950 ramp

primary

#A33320

secondary

#5BB5C4

accent

#D1EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A33320

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

Preview Lab → · Contrast checker → · Palette generator →