#B33B4B#B33B4B

#B33B4B is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.155 H 16.5°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B33B4B
RGB	rgb(179, 59, 75)
HSL	hsl(352, 50%, 47%)
HSV	hsv(352, 67%, 70%)
CMYK	cmyk(0%, 67%, 58.1%, 29.8%)
CIE-LAB	lab(43.10, 49.58, 17.85)
CIE-LCH	lch(43.10, 52.69, 19.80°)
OKLab	oklab(52.88% 0.1485 0.044)
OKLCH	oklch(52.88% 0.155 16.5)
XYZ	xyz(21.4264, 13.2225, 8.0792)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B4B #3BB3A3

analogous

#B33B87 #B33B4B #B3673B

triadic

#B33B4B #4BB33B #3B4BB3

tetradic

#B33B4B #87B33B #3BB3A3 #673BB3

square

#B33B4B #87B33B #3BB3A3 #673BB3

split-complementary

#B33B4B #3BB367 #3B87B3

monochromatic

#571D24 #852C38 #B33B4B #CB606F #DA8E99

Accessibility & contrast

On white

5.76

#B33B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B33B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B4B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B4B	#FFFFFF	#000000	##FFFFFF
##B33B4B	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59564B

Deuteranopia (green-blind)

#786F48

Tritanopia (blue-blind)

#C42242

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b4b;
/* rgb */ color: rgb(179, 59, 75);
/* oklch */ color: oklch(52.9% 0.155 16.5);

Tailwind

colors: {
  custom: {
    50: '#d0787d',
    500: '#b33b4b',
    950: '#000000',
  },
}

SCSS

$custom: #b33b4b;
$custom-light: #d0787d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b4b",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 352,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52875,
    "c": 0.15493,
    "h": 16.5
  },
  "luminance": 0.1322
}

Semantic roles & 50–950 ramp

primary

#B33B4B

secondary

#85C5BC

accent

#DAC74E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33B4B

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

Preview Lab → · Contrast checker → · Palette generator →