#BC3633#BC3633

#BC3633 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.171 H 26.2°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#BC3633
RGB	rgb(188, 54, 51)
HSL	hsl(1, 57%, 47%)
HSV	hsv(1, 73%, 74%)
CMYK	cmyk(0%, 71.3%, 72.9%, 26.3%)
CIE-LAB	lab(43.61, 53.07, 33.34)
CIE-LCH	lch(43.61, 62.68, 32.13°)
OKLab	oklab(53.44% 0.1538 0.0756)
OKLCH	oklch(53.44% 0.171 26.2)
XYZ	xyz(22.6583, 13.5721, 4.5579)
Luminance	0.1357 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3633 #33B9BC

analogous

#BC3375 #BC3633 #BC7B33

triadic

#BC3633 #33BC36 #3633BC

tetradic

#BC3633 #75BC33 #33B9BC #7B33BC

square

#BC3633 #75BC33 #33B9BC #7B33BC

split-complementary

#BC3633 #33BC7B #3375BC

monochromatic

#5C1A19 #8C2826 #BC3633 #D25D5A #DF8C8A

Accessibility & contrast

On white

5.65

#BC3633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#BC3633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3633

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3633	#FFFFFF	#000000	##FFFFFF
##BC3633	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5531

Deuteranopia (green-blind)

#7E722E

Tritanopia (blue-blind)

#CF0037

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3633;
/* rgb */ color: rgb(188, 54, 51);
/* oklch */ color: oklch(53.4% 0.171 26.2);

Tailwind

colors: {
  custom: {
    50: '#d8766b',
    500: '#bc3633',
    950: '#000000',
  },
}

SCSS

$custom: #bc3633;
$custom-light: #d8766b;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3633",
  "rgb": {
    "r": 188,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.314,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53435,
    "c": 0.17137,
    "h": 26.2
  },
  "luminance": 0.13569
}

Semantic roles & 50–950 ramp

primary

#BC3633

secondary

#81C8C9

accent

#DDE147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BC3633

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

Preview Lab → · Contrast checker → · Palette generator →