#B0333A#B0333A

#B0333A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.161 H 22.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B0333A
RGB	rgb(176, 51, 58)
HSL	hsl(357, 55%, 45%)
HSV	hsv(357, 71%, 69%)
CMYK	cmyk(0%, 71%, 67%, 31%)
CIE-LAB	lab(41.07, 50.69, 25.57)
CIE-LCH	lch(41.07, 56.78, 26.77°)
OKLab	oklab(51.16% 0.1493 0.0602)
OKLCH	oklch(51.16% 0.161 22)
XYZ	xyz(19.8541, 11.9061, 5.2548)
Luminance	0.1190 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0333A #33B0A9

analogous

#B03379 #B0333A #B06B33

triadic

#B0333A #3AB033 #333AB0

tetradic

#B0333A #79B033 #33B0A9 #6B33B0

square

#B0333A #79B033 #33B0A9 #6B33B0

split-complementary

#B0333A #33B06B #3379B0

monochromatic

#51181B #81252A #B0333A #CD535A #DB8287

Accessibility & contrast

On white

6.21

#B0333A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B0333A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0333A

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0333A	#FFFFFF	#000000	##FFFFFF
##B0333A	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565039

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#C10A37

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0333a;
/* rgb */ color: rgb(176, 51, 58);
/* oklch */ color: oklch(51.2% 0.161 22.0);

Tailwind

colors: {
  custom: {
    50: '#cf7370',
    500: '#b0333a',
    950: '#000000',
  },
}

SCSS

$custom: #b0333a;
$custom-light: #cf7370;
$custom-dark: #000000;

JSON

{
  "hex": "#b0333a",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 58
  },
  "hsl": {
    "h": 356.64,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51158,
    "c": 0.16094,
    "h": 22
  },
  "luminance": 0.11903
}

Semantic roles & 50–950 ramp

primary

#B0333A

secondary

#7BC4C0

accent

#DED649

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B0333A

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

Preview Lab → · Contrast checker → · Palette generator →