#B33A42#B33A42

#B33A42 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.156 H 20.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B33A42
RGB	rgb(179, 58, 66)
HSL	hsl(356, 51%, 46%)
HSV	hsv(356, 68%, 70%)
CMYK	cmyk(0%, 67.6%, 63.1%, 29.8%)
CIE-LAB	lab(42.77, 49.37, 22.95)
CIE-LCH	lch(42.77, 54.44, 24.94°)
OKLab	oklab(52.58% 0.1463 0.0551)
OKLCH	oklch(52.58% 0.156 20.7)
XYZ	xyz(21.0889, 13.0061, 6.5531)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A42 #3AB3AB

analogous

#B33A7F #B33A42 #B36F3A

triadic

#B33A42 #42B33A #3A42B3

tetradic

#B33A42 #7FB33A #3AB3AB #6F3AB3

square

#B33A42 #7FB33A #3AB3AB #6F3AB3

split-complementary

#B33A42 #3AB36F #3A7FB3

monochromatic

#571C20 #852B31 #B33A42 #CB5F66 #DA8D92

Accessibility & contrast

On white

5.83

#B33A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A42

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A42	#FFFFFF	#000000	##FFFFFF
##B33A42	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5541

Deuteranopia (green-blind)

#796E3F

Tritanopia (blue-blind)

#C41D3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33a42;
/* rgb */ color: rgb(179, 58, 66);
/* oklch */ color: oklch(52.6% 0.156 20.7);

Tailwind

colors: {
  custom: {
    50: '#d07776',
    500: '#b33a42',
    950: '#000000',
  },
}

SCSS

$custom: #b33a42;
$custom-light: #d07776;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a42",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.033,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52577,
    "c": 0.15631,
    "h": 20.7
  },
  "luminance": 0.13003
}

Semantic roles & 50–950 ramp

primary

#B33A42

secondary

#84C5C0

accent

#DBD14D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33A42

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

Preview Lab → · Contrast checker → · Palette generator →