#B33F4B#B33F4B

#B33F4B is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.150 H 17.8°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#B33F4B
RGB	rgb(179, 63, 75)
HSL	hsl(354, 48%, 47%)
HSV	hsv(354, 65%, 70%)
CMYK	cmyk(0%, 64.8%, 58.1%, 29.8%)
CIE-LAB	lab(43.73, 47.87, 18.69)
CIE-LCH	lch(43.73, 51.39, 21.32°)
OKLab	oklab(53.35% 0.1431 0.046)
OKLCH	oklch(53.35% 0.15 17.8)
XYZ	xyz(21.6399, 13.6496, 8.1504)
Luminance	0.1365 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F4B #3FB3A7

analogous

#B33F85 #B33F4B #B36D3F

triadic

#B33F4B #4BB33F #3F4BB3

tetradic

#B33F4B #85B33F #3FB3A7 #6D3FB3

square

#B33F4B #85B33F #3FB3A7 #6D3FB3

split-complementary

#B33F4B #3FB36D #3F85B3

monochromatic

#581F25 #862F38 #B33F4B #C96670 #D9939B

Accessibility & contrast

On white

5.63

#B33F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#B33F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F4B

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F4B	#FFFFFF	#000000	##FFFFFF
##B33F4B	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#797048

Tritanopia (blue-blind)

#C42844

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33f4b;
/* rgb */ color: rgb(179, 63, 75);
/* oklch */ color: oklch(53.3% 0.150 17.8);

Tailwind

colors: {
  custom: {
    50: '#d07a7d',
    500: '#b33f4b',
    950: '#000000',
  },
}

SCSS

$custom: #b33f4b;
$custom-light: #d07a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f4b",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 75
  },
  "hsl": {
    "h": 353.793,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53345,
    "c": 0.15032,
    "h": 17.8
  },
  "luminance": 0.13647
}

Semantic roles & 50–950 ramp

primary

#B33F4B

secondary

#89C4BE

accent

#D8CA50

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B33F4B

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

Preview Lab → · Contrast checker → · Palette generator →