#A33B2A#A33B2A

#A33B2A is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.6% C 0.141 H 31.7°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A33B2A
RGB	rgb(163, 59, 42)
HSL	hsl(8, 59%, 40%)
HSV	hsv(8, 74%, 64%)
CMYK	cmyk(0%, 63.8%, 74.2%, 36.1%)
CIE-LAB	lab(39.72, 42.02, 32.91)
CIE-LCH	lch(39.72, 53.37, 38.07°)
OKLab	oklab(49.64% 0.1202 0.0742)
OKLCH	oklch(49.64% 0.141 31.7)
XYZ	xyz(17.0880, 11.0840, 3.4297)
Luminance	0.1108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B2A #2A92A3

analogous

#A32A55 #A33B2A #A3782A

triadic

#A33B2A #2AA33B #3B2AA3

tetradic

#A33B2A #55A32A #2A92A3 #782AA3

square

#A33B2A #55A32A #2A92A3 #782AA3

split-complementary

#A33B2A #2AA378 #2A55A3

monochromatic

#421811 #72291D #A33B2A #CD513D #DA7D6E

Accessibility & contrast

On white

6.53

#A33B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A33B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B2A

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B2A	#FFFFFF	#000000	##FFFFFF
##A33B2A	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F28

Deuteranopia (green-blind)

#726627

Tritanopia (blue-blind)

#B32138

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33b2a;
/* rgb */ color: rgb(163, 59, 42);
/* oklch */ color: oklch(49.6% 0.141 31.7);

Tailwind

colors: {
  custom: {
    50: '#c67664',
    500: '#a33b2a',
    950: '#000000',
  },
}

SCSS

$custom: #a33b2a;
$custom-light: #c67664;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b2a",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 42
  },
  "hsl": {
    "h": 8.43,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49637,
    "c": 0.14123,
    "h": 31.7
  },
  "luminance": 0.11082
}

Semantic roles & 50–950 ramp

primary

#A33B2A

secondary

#68B4C0

accent

#CCE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33B2A

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

Preview Lab → · Contrast checker → · Palette generator →