#A33539#A33539

#A33539 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.145 H 22.2°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#A33539
RGB	rgb(163, 53, 57)
HSL	hsl(358, 51%, 42%)
HSV	hsv(358, 67%, 64%)
CMYK	cmyk(0%, 67.5%, 65%, 36.1%)
CIE-LAB	lab(38.95, 45.50, 23.03)
CIE-LCH	lch(38.95, 51.00, 26.84°)
OKLab	oklab(49.13% 0.1342 0.0548)
OKLCH	oklch(49.13% 0.145 22.2)
XYZ	xyz(17.1176, 10.6305, 5.0206)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33539 #35A39F

analogous

#A33570 #A33539 #A36835

triadic

#A33539 #39A335 #3539A3

tetradic

#A33539 #70A335 #35A39F #6835A3

square

#A33539 #70A335 #35A39F #6835A3

split-complementary

#A33539 #35A368 #3570A3

monochromatic

#471719 #752629 #A33539 #C64F54 #D57E81

Accessibility & contrast

On white

6.72

#A33539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A33539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33539

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33539	#FFFFFF	#000000	##FFFFFF
##A33539	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D38

Deuteranopia (green-blind)

#6E6436

Tritanopia (blue-blind)

#B31A37

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33539;
/* rgb */ color: rgb(163, 53, 57);
/* oklch */ color: oklch(49.1% 0.145 22.2);

Tailwind

colors: {
  custom: {
    50: '#c5736f',
    500: '#a33539',
    950: '#000000',
  },
}

SCSS

$custom: #a33539;
$custom-light: #c5736f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33539",
  "rgb": {
    "r": 163,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 357.818,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49129,
    "c": 0.145,
    "h": 22.2
  },
  "luminance": 0.10628
}

Semantic roles & 50–950 ramp

primary

#A33539

secondary

#76BEBB

accent

#DAD54D

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A33539

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

Preview Lab → · Contrast checker → · Palette generator →