#B33347#B33347

#B33347 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.164 H 16.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B33347
RGB	rgb(179, 51, 71)
HSL	hsl(351, 56%, 45%)
HSV	hsv(351, 72%, 70%)
CMYK	cmyk(0%, 71.5%, 60.3%, 29.8%)
CIE-LAB	lab(41.86, 52.46, 18.68)
CIE-LCH	lch(41.86, 55.69, 19.60°)
OKLab	oklab(51.93% 0.1571 0.0457)
OKLCH	oklch(51.93% 0.164 16.2)
XYZ	xyz(20.9136, 12.4093, 7.2540)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33347 #33B39F

analogous

#B33387 #B33347 #B35F33

triadic

#B33347 #47B333 #3347B3

tetradic

#B33347 #87B333 #33B39F #5F33B3

square

#B33347 #87B333 #33B39F #5F33B3

split-complementary

#B33347 #33B35F #3387B3

monochromatic

#541821 #832534 #B33347 #CE5568 #DC8492

Accessibility & contrast

On white

6.03

#B33347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B33347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33347

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33347	#FFFFFF	#000000	##FFFFFF
##B33347	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555247

Deuteranopia (green-blind)

#766D44

Tritanopia (blue-blind)

#C40F3B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33347;
/* rgb */ color: rgb(179, 51, 71);
/* oklch */ color: oklch(51.9% 0.164 16.2);

Tailwind

colors: {
  custom: {
    50: '#d0747a',
    500: '#b33347',
    950: '#000000',
  },
}

SCSS

$custom: #b33347;
$custom-light: #d0747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33347",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 350.625,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51926,
    "c": 0.16357,
    "h": 16.2
  },
  "luminance": 0.12406
}

Semantic roles & 50–950 ramp

primary

#B33347

secondary

#7CC6BA

accent

#DFC849

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33347

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

Preview Lab → · Contrast checker → · Palette generator →