#BC3636#BC3636

#BC3636 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.171 H 25.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#BC3636
RGB	rgb(188, 54, 54)
HSL	hsl(0, 55%, 47%)
HSV	hsv(0, 71%, 74%)
CMYK	cmyk(0%, 71.3%, 71.3%, 26.3%)
CIE-LAB	lab(43.65, 53.21, 31.63)
CIE-LCH	lch(43.65, 61.90, 30.72°)
OKLab	oklab(53.48% 0.1549 0.0725)
OKLCH	oklch(53.48% 0.171 25.1)
XYZ	xyz(22.7266, 13.5994, 4.9176)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3636 #36BCBC

analogous

#BC3679 #BC3636 #BC7936

triadic

#BC3636 #36BC36 #3636BC

tetradic

#BC3636 #79BC36 #36BCBC #7936BC

square

#BC3636 #79BC36 #36BCBC #7936BC

split-complementary

#BC3636 #36BC79 #3679BC

monochromatic

#5D1B1B #8C2828 #BC3636 #D15E5E #DF8E8E

Accessibility & contrast

On white

5.65

#BC3636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BC3636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3636

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3636	#FFFFFF	#000000	##FFFFFF
##BC3636	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5535

Deuteranopia (green-blind)

#7E7232

Tritanopia (blue-blind)

#CF0138

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3636;
/* rgb */ color: rgb(188, 54, 54);
/* oklch */ color: oklch(53.5% 0.171 25.1);

Tailwind

colors: {
  custom: {
    50: '#d8766d',
    500: '#bc3636',
    950: '#000000',
  },
}

SCSS

$custom: #bc3636;
$custom-light: #d8766d;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3636",
  "rgb": {
    "r": 188,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53477,
    "c": 0.17098,
    "h": 25.1
  },
  "luminance": 0.13596
}

Semantic roles & 50–950 ramp

primary

#BC3636

secondary

#85C9C9

accent

#DFDF49

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3636

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

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