#B33A4B#B33A4B

#B33A4B is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.156 H 16.2°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B33A4B
RGB	rgb(179, 58, 75)
HSL	hsl(352, 51%, 46%)
HSV	hsv(352, 68%, 70%)
CMYK	cmyk(0%, 67.6%, 58.1%, 29.8%)
CIE-LAB	lab(42.94, 49.99, 17.64)
CIE-LCH	lch(42.94, 53.01, 19.44°)
OKLab	oklab(52.76% 0.1499 0.0435)
OKLCH	oklch(52.76% 0.156 16.2)
XYZ	xyz(21.3755, 13.1207, 8.0622)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A4B #3AB3A2

analogous

#B33A88 #B33A4B #B3663A

triadic

#B33A4B #4BB33A #3A4BB3

tetradic

#B33A4B #88B33A #3AB3A2 #663AB3

square

#B33A4B #88B33A #3AB3A2 #663AB3

split-complementary

#B33A4B #3AB366 #3A88B3

monochromatic

#571C24 #852B38 #B33A4B #CB5F6E #DA8D98

Accessibility & contrast

On white

5.80

#B33A4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B33A4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A4B

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A4B	#FFFFFF	#000000	##FFFFFF
##B33A4B	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59554B

Deuteranopia (green-blind)

#776F48

Tritanopia (blue-blind)

#C42041

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33a4b;
/* rgb */ color: rgb(179, 58, 75);
/* oklch */ color: oklch(52.8% 0.156 16.2);

Tailwind

colors: {
  custom: {
    50: '#d0787d',
    500: '#b33a4b',
    950: '#000000',
  },
}

SCSS

$custom: #b33a4b;
$custom-light: #d0787d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a4b",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 351.57,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52761,
    "c": 0.15606,
    "h": 16.2
  },
  "luminance": 0.13118
}

Semantic roles & 50–950 ramp

primary

#B33A4B

secondary

#84C5BC

accent

#DBC74D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33A4B

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

Preview Lab → · Contrast checker → · Palette generator →