#A33D2A#A33D2A

#A33D2A is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.139 H 32.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A33D2A
RGB	rgb(163, 61, 42)
HSL	hsl(9, 59%, 40%)
HSV	hsv(9, 74%, 64%)
CMYK	cmyk(0%, 62.6%, 74.2%, 36.1%)
CIE-LAB	lab(40.07, 41.09, 33.30)
CIE-LCH	lch(40.07, 52.89, 39.02°)
OKLab	oklab(49.9% 0.1173 0.075)
OKLCH	oklch(49.9% 0.139 32.6)
XYZ	xyz(17.1927, 11.2936, 3.4646)
Luminance	0.1129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D2A #2A90A3

analogous

#A32A54 #A33D2A #A3792A

triadic

#A33D2A #2AA33D #3D2AA3

tetradic

#A33D2A #54A32A #2A90A3 #792AA3

square

#A33D2A #54A32A #2A90A3 #792AA3

split-complementary

#A33D2A #2AA379 #2A54A3

monochromatic

#421911 #722B1D #A33D2A #CD543D #DA7F6E

Accessibility & contrast

On white

6.45

#A33D2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A33D2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D2A

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D2A	#FFFFFF	#000000	##FFFFFF
##A33D2A	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595027

Deuteranopia (green-blind)

#726727

Tritanopia (blue-blind)

#B32539

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33d2a;
/* rgb */ color: rgb(163, 61, 42);
/* oklch */ color: oklch(49.9% 0.139 32.6);

Tailwind

colors: {
  custom: {
    50: '#c57764',
    500: '#a33d2a',
    950: '#000000',
  },
}

SCSS

$custom: #a33d2a;
$custom-light: #c57764;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d2a",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 42
  },
  "hsl": {
    "h": 9.421,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.499,
    "c": 0.13923,
    "h": 32.6
  },
  "luminance": 0.11291
}

Semantic roles & 50–950 ramp

primary

#A33D2A

secondary

#68B3C0

accent

#CAE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33D2A

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

Preview Lab → · Contrast checker → · Palette generator →