#B33F5B#B33F5B

#B33F5B is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.151 H 9.1°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B33F5B
RGB	rgb(179, 63, 91)
HSL	hsl(346, 48%, 47%)
HSV	hsv(346, 65%, 70%)
CMYK	cmyk(0%, 64.8%, 49.2%, 29.8%)
CIE-LAB	lab(44.08, 49.21, 9.31)
CIE-LCH	lch(44.08, 50.08, 10.72°)
OKLab	oklab(53.73% 0.1495 0.0241)
OKLCH	oklch(53.73% 0.151 9.1)
XYZ	xyz(22.2580, 13.8968, 11.4058)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F5B #3FB397

analogous

#B33F95 #B33F5B #B35D3F

triadic

#B33F5B #5BB33F #3F5BB3

tetradic

#B33F5B #95B33F #3FB397 #5D3FB3

square

#B33F5B #95B33F #3FB397 #5D3FB3

split-complementary

#B33F5B #3FB35D #3F95B3

monochromatic

#581F2D #862F44 #B33F5B #C9667E #D993A4

Accessibility & contrast

On white

5.56

#B33F5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B33F5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F5B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F5B	#FFFFFF	#000000	##FFFFFF
##B33F5B	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595A5C

Deuteranopia (green-blind)

#777158

Tritanopia (blue-blind)

#C32D4A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b33f5b;
/* rgb */ color: rgb(179, 63, 91);
/* oklch */ color: oklch(53.7% 0.151 9.1);

Tailwind

colors: {
  custom: {
    50: '#cf7b89',
    500: '#b33f5b',
    950: '#000000',
  },
}

SCSS

$custom: #b33f5b;
$custom-light: #cf7b89;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f5b",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 91
  },
  "hsl": {
    "h": 345.517,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5373,
    "c": 0.15138,
    "h": 9.1
  },
  "luminance": 0.13894
}

Semantic roles & 50–950 ramp

primary

#B33F5B

secondary

#89C4B6

accent

#D8B750

background

#FDF7F8

surface

#FAEEF0

border

#D3C9CB

text

#150A0B

muted

#837C7C

Preview Lab

Preview with #B33F5B

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

Preview Lab → · Contrast checker → · Palette generator →