#B33F57#B33F57

#B33F57 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.151 H 11.4°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B33F57
RGB	rgb(179, 63, 87)
HSL	hsl(348, 48%, 47%)
HSV	hsv(348, 65%, 70%)
CMYK	cmyk(0%, 64.8%, 51.4%, 29.8%)
CIE-LAB	lab(43.99, 48.85, 11.65)
CIE-LCH	lch(43.99, 50.22, 13.42°)
OKLab	oklab(53.63% 0.1479 0.0297)
OKLCH	oklch(53.63% 0.151 11.4)
XYZ	xyz(22.0900, 13.8296, 10.5211)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F57 #3FB39B

analogous

#B33F91 #B33F57 #B3613F

triadic

#B33F57 #57B33F #3F57B3

tetradic

#B33F57 #91B33F #3FB39B #613FB3

square

#B33F57 #91B33F #3FB39B #613FB3

split-complementary

#B33F57 #3FB361 #3F91B3

monochromatic

#581F2B #862F41 #B33F57 #C9667B #D993A2

Accessibility & contrast

On white

5.58

#B33F57 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B33F57 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F57

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F57	#FFFFFF	#000000	##FFFFFF
##B33F57	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5957

Deuteranopia (green-blind)

#787154

Tritanopia (blue-blind)

#C32C48

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b33f57;
/* rgb */ color: rgb(179, 63, 87);
/* oklch */ color: oklch(53.6% 0.151 11.4);

Tailwind

colors: {
  custom: {
    50: '#cf7a86',
    500: '#b33f57',
    950: '#000000',
  },
}

SCSS

$custom: #b33f57;
$custom-light: #cf7a86;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f57",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 87
  },
  "hsl": {
    "h": 347.586,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53626,
    "c": 0.15085,
    "h": 11.4
  },
  "luminance": 0.13827
}

Semantic roles & 50–950 ramp

primary

#B33F57

secondary

#89C4B8

accent

#D8BC50

background

#FDF7F8

surface

#FAEEEF

border

#D3C9CA

text

#150A0B

muted

#837C7C

Preview Lab

Preview with #B33F57

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

Preview Lab → · Contrast checker → · Palette generator →