#BC3631#BC3631

#BC3631 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.172 H 26.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#BC3631
RGB	rgb(188, 54, 49)
HSL	hsl(2, 59%, 46%)
HSV	hsv(2, 74%, 74%)
CMYK	cmyk(0%, 71.3%, 73.9%, 26.3%)
CIE-LAB	lab(43.59, 52.99, 34.47)
CIE-LCH	lch(43.59, 63.21, 33.04°)
OKLab	oklab(53.41% 0.1531 0.0776)
OKLCH	oklch(53.41% 0.172 26.9)
XYZ	xyz(22.6151, 13.5549, 4.3307)
Luminance	0.1355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3631 #31B7BC

analogous

#BC3172 #BC3631 #BC7C31

triadic

#BC3631 #31BC36 #3631BC

tetradic

#BC3631 #72BC31 #31B7BC #7C31BC

square

#BC3631 #72BC31 #31B7BC #7C31BC

split-complementary

#BC3631 #31BC7C #3172BC

monochromatic

#5B1A18 #8B2824 #BC3631 #D35B57 #E08B88

Accessibility & contrast

On white

5.66

#BC3631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#BC3631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3631

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3631	#FFFFFF	#000000	##FFFFFF
##BC3631	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542F

Deuteranopia (green-blind)

#7E722C

Tritanopia (blue-blind)

#CF0036

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3631;
/* rgb */ color: rgb(188, 54, 49);
/* oklch */ color: oklch(53.4% 0.172 26.9);

Tailwind

colors: {
  custom: {
    50: '#d97669',
    500: '#bc3631',
    950: '#000000',
  },
}

SCSS

$custom: #bc3631;
$custom-light: #d97669;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3631",
  "rgb": {
    "r": 188,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.158,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53408,
    "c": 0.17165,
    "h": 26.9
  },
  "luminance": 0.13551
}

Semantic roles & 50–950 ramp

primary

#BC3631

secondary

#7FC7CA

accent

#DCE246

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BC3631

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

Preview Lab → · Contrast checker → · Palette generator →