#BC3837#BC3837

#BC3837 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.169 H 25.3°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#BC3837
RGB	rgb(188, 56, 55)
HSL	hsl(0, 55%, 48%)
HSV	hsv(0, 71%, 74%)
CMYK	cmyk(0%, 70.2%, 70.7%, 26.3%)
CIE-LAB	lab(43.94, 52.50, 31.38)
CIE-LCH	lch(43.94, 61.16, 30.86°)
OKLab	oklab(53.7% 0.1528 0.0721)
OKLCH	oklch(53.7% 0.169 25.3)
XYZ	xyz(22.8453, 13.7989, 5.0742)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3837 #37BBBC

analogous

#BC3779 #BC3837 #BC7A37

triadic

#BC3837 #37BC38 #3837BC

tetradic

#BC3837 #79BC37 #37BBBC #7A37BC

square

#BC3837 #79BC37 #37BBBC #7A37BC

split-complementary

#BC3837 #37BC7A #3779BC

monochromatic

#5D1C1B #8D2A29 #BC3837 #D06160 #DE908F

Accessibility & contrast

On white

5.59

#BC3837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BC3837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3837

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3837	#FFFFFF	#000000	##FFFFFF
##BC3837	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5636

Deuteranopia (green-blind)

#7E7233

Tritanopia (blue-blind)

#CF0A39

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bc3837;
/* rgb */ color: rgb(188, 56, 55);
/* oklch */ color: oklch(53.7% 0.169 25.3);

Tailwind

colors: {
  custom: {
    50: '#d8776e',
    500: '#bc3837',
    950: '#000000',
  },
}

SCSS

$custom: #bc3837;
$custom-light: #d8776e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3837",
  "rgb": {
    "r": 188,
    "g": 56,
    "b": 55
  },
  "hsl": {
    "h": 0.451,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53698,
    "c": 0.16898,
    "h": 25.3
  },
  "luminance": 0.13796
}

Semantic roles & 50–950 ramp

primary

#BC3837

secondary

#86C8C9

accent

#DDDE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3837

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

Preview Lab → · Contrast checker → · Palette generator →