#B33147#B33147

#B33147 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.166 H 15.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B33147
RGB	rgb(179, 49, 71)
HSL	hsl(350, 57%, 45%)
HSV	hsv(350, 73%, 70%)
CMYK	cmyk(0%, 72.6%, 60.3%, 29.8%)
CIE-LAB	lab(41.59, 53.20, 18.33)
CIE-LCH	lch(41.59, 56.27, 19.01°)
OKLab	oklab(51.73% 0.1594 0.0449)
OKLCH	oklch(51.73% 0.166 15.7)
XYZ	xyz(20.8281, 12.2382, 7.2255)
Luminance	0.1224 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33147 #31B39D

analogous

#B33188 #B33147 #B35C31

triadic

#B33147 #47B331 #3147B3

tetradic

#B33147 #88B331 #31B39D #5C31B3

square

#B33147 #88B331 #31B39D #5C31B3

split-complementary

#B33147 #31B35C #3188B3

monochromatic

#531721 #832434 #B33147 #D05267 #DD8291

Accessibility & contrast

On white

6.09

#B33147 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B33147 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33147

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33147	#FFFFFF	#000000	##FFFFFF
##B33147	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545147

Deuteranopia (green-blind)

#756C44

Tritanopia (blue-blind)

#C4083A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33147;
/* rgb */ color: rgb(179, 49, 71);
/* oklch */ color: oklch(51.7% 0.166 15.7);

Tailwind

colors: {
  custom: {
    50: '#d0737a',
    500: '#b33147',
    950: '#000000',
  },
}

SCSS

$custom: #b33147;
$custom-light: #d0737a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33147",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 349.846,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51728,
    "c": 0.16563,
    "h": 15.7
  },
  "luminance": 0.12235
}

Semantic roles & 50–950 ramp

primary

#B33147

secondary

#7AC6B9

accent

#E0C648

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33147

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

Preview Lab → · Contrast checker → · Palette generator →