#BC373F#BC373F

#BC373F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.169 H 21.8°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#BC373F
RGB	rgb(188, 55, 63)
HSL	hsl(356, 55%, 48%)
HSV	hsv(356, 71%, 74%)
CMYK	cmyk(0%, 70.7%, 66.5%, 26.3%)
CIE-LAB	lab(43.92, 53.30, 26.58)
CIE-LCH	lch(43.92, 59.56, 26.50°)
OKLab	oklab(53.72% 0.1571 0.0627)
OKLCH	oklch(53.72% 0.169 21.8)
XYZ	xyz(23.0049, 13.7860, 6.1513)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC373F #37BCB4

analogous

#BC3781 #BC373F #BC7137

triadic

#BC373F #3FBC37 #373FBC

tetradic

#BC373F #81BC37 #37BCB4 #7137BC

square

#BC373F #81BC37 #37BCB4 #7137BC

split-complementary

#BC373F #37BC71 #3781BC

monochromatic

#5D1B1F #8D292F #BC373F #D06067 #DE8F94

Accessibility & contrast

On white

5.59

#BC373F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BC373F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC373F

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC373F	#FFFFFF	#000000	##FFFFFF
##BC373F	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)

#5C563E

Deuteranopia (green-blind)

#7D723B

Tritanopia (blue-blind)

#CE0B3B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bc373f;
/* rgb */ color: rgb(188, 55, 63);
/* oklch */ color: oklch(53.7% 0.169 21.8);

Tailwind

colors: {
  custom: {
    50: '#d87774',
    500: '#bc373f',
    950: '#000000',
  },
}

SCSS

$custom: #bc373f;
$custom-light: #d87774;
$custom-dark: #000000;

JSON

{
  "hex": "#bc373f",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 63
  },
  "hsl": {
    "h": 356.391,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53723,
    "c": 0.1691,
    "h": 21.8
  },
  "luminance": 0.13783
}

Semantic roles & 50–950 ramp

primary

#BC373F

secondary

#86C9C5

accent

#DED54A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BC373F

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

Preview Lab → · Contrast checker → · Palette generator →