#A33636#A33636

#A33636 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.144 H 24.1°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A33636
RGB	rgb(163, 54, 54)
HSL	hsl(0, 50%, 43%)
HSV	hsv(0, 67%, 64%)
CMYK	cmyk(0%, 66.9%, 66.9%, 36.1%)
CIE-LAB	lab(39.06, 44.89, 25.01)
CIE-LCH	lch(39.06, 51.38, 29.12°)
OKLab	oklab(49.19% 0.1317 0.0589)
OKLCH	oklch(49.19% 0.144 24.1)
XYZ	xyz(17.0910, 10.6936, 4.6534)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33636 #36A3A3

analogous

#A3366C #A33636 #A36C36

triadic

#A33636 #36A336 #3636A3

tetradic

#A33636 #6CA336 #36A3A3 #6C36A3

square

#A33636 #6CA336 #36A3A3 #6C36A3

split-complementary

#A33636 #36A36C #366CA3

monochromatic

#471818 #752727 #A33636 #C55151 #D57F7F

Accessibility & contrast

On white

6.69

#A33636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A33636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33636

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33636	#FFFFFF	#000000	##FFFFFF
##A33636	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D35

Deuteranopia (green-blind)

#6F6533

Tritanopia (blue-blind)

#B31B37

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33636;
/* rgb */ color: rgb(163, 54, 54);
/* oklch */ color: oklch(49.2% 0.144 24.1);

Tailwind

colors: {
  custom: {
    50: '#c5736d',
    500: '#a33636',
    950: '#000000',
  },
}

SCSS

$custom: #a33636;
$custom-light: #c5736d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33636",
  "rgb": {
    "r": 163,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.49194,
    "c": 0.14426,
    "h": 24.1
  },
  "luminance": 0.10691
}

Semantic roles & 50–950 ramp

primary

#A33636

secondary

#77BEBE

accent

#DADA4E

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A33636

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

Preview Lab → · Contrast checker → · Palette generator →