#B33F52#B33F52

#B33F52 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.150 H 14.1°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B33F52
RGB	rgb(179, 63, 82)
HSL	hsl(350, 48%, 47%)
HSV	hsv(350, 65%, 70%)
CMYK	cmyk(0%, 64.8%, 54.2%, 29.8%)
CIE-LAB	lab(43.87, 48.42, 14.58)
CIE-LCH	lch(43.87, 50.57, 16.76°)
OKLab	oklab(53.5% 0.1459 0.0366)
OKLCH	oklch(53.5% 0.15 14.1)
XYZ	xyz(21.8928, 13.7508, 9.4823)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F52 #3FB3A0

analogous

#B33F8C #B33F52 #B3663F

triadic

#B33F52 #52B33F #3F52B3

tetradic

#B33F52 #8CB33F #3FB3A0 #663FB3

square

#B33F52 #8CB33F #3FB3A0 #663FB3

split-complementary

#B33F52 #3FB366 #3F8CB3

monochromatic

#581F29 #862F3D #B33F52 #C96676 #D9939F

Accessibility & contrast

On white

5.60

#B33F52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B33F52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F52

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F52	#FFFFFF	#000000	##FFFFFF
##B33F52	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5952

Deuteranopia (green-blind)

#78714F

Tritanopia (blue-blind)

#C32A47

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b33f52;
/* rgb */ color: rgb(179, 63, 82);
/* oklch */ color: oklch(53.5% 0.150 14.1);

Tailwind

colors: {
  custom: {
    50: '#cf7a82',
    500: '#b33f52',
    950: '#000000',
  },
}

SCSS

$custom: #b33f52;
$custom-light: #cf7a82;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f52",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 82
  },
  "hsl": {
    "h": 350.172,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53503,
    "c": 0.15044,
    "h": 14.1
  },
  "luminance": 0.13748
}

Semantic roles & 50–950 ramp

primary

#B33F52

secondary

#89C4BB

accent

#D8C150

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B33F52

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

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