#BC3733#BC3733

#BC3733 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.170 H 26.5°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#BC3733
RGB	rgb(188, 55, 51)
HSL	hsl(2, 57%, 47%)
HSV	hsv(2, 73%, 74%)
CMYK	cmyk(0%, 70.7%, 72.9%, 26.3%)
CIE-LAB	lab(43.75, 52.70, 33.49)
CIE-LCH	lch(43.75, 62.44, 32.44°)
OKLab	oklab(53.54% 0.1526 0.076)
OKLCH	oklch(53.54% 0.17 26.5)
XYZ	xyz(22.7053, 13.6662, 4.5736)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3733 #33B8BC

analogous

#BC3374 #BC3733 #BC7C33

triadic

#BC3733 #33BC37 #3733BC

tetradic

#BC3733 #74BC33 #33B8BC #7C33BC

square

#BC3733 #74BC33 #33B8BC #7C33BC

split-complementary

#BC3733 #33BC7C #3374BC

monochromatic

#5C1B19 #8C2926 #BC3733 #D25D5A #DF8D8A

Accessibility & contrast

On white

5.63

#BC3733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#BC3733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3733

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3733	#FFFFFF	#000000	##FFFFFF
##BC3733	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)

#5D5531

Deuteranopia (green-blind)

#7E722E

Tritanopia (blue-blind)

#CF0337

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3733;
/* rgb */ color: rgb(188, 55, 51);
/* oklch */ color: oklch(53.5% 0.170 26.5);

Tailwind

colors: {
  custom: {
    50: '#d8776b',
    500: '#bc3733',
    950: '#000000',
  },
}

SCSS

$custom: #bc3733;
$custom-light: #d8776b;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3733",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 1.752,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53537,
    "c": 0.17046,
    "h": 26.5
  },
  "luminance": 0.13663
}

Semantic roles & 50–950 ramp

primary

#BC3733

secondary

#81C7C9

accent

#DCE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BC3733

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

Preview Lab → · Contrast checker → · Palette generator →