#BC373A#BC373A

#BC373A is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.170 H 23.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#BC373A
RGB	rgb(188, 55, 58)
HSL	hsl(359, 55%, 48%)
HSV	hsv(359, 71%, 74%)
CMYK	cmyk(0%, 70.7%, 69.1%, 26.3%)
CIE-LAB	lab(43.85, 53.03, 29.48)
CIE-LCH	lch(43.85, 60.68, 29.07°)
OKLab	oklab(53.64% 0.1552 0.0684)
OKLCH	oklch(53.64% 0.17 23.8)
XYZ	xyz(22.8714, 13.7326, 5.4485)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC373A #37BCB9

analogous

#BC377C #BC373A #BC7737

triadic

#BC373A #3ABC37 #373ABC

tetradic

#BC373A #7CBC37 #37BCB9 #7737BC

square

#BC373A #7CBC37 #37BCB9 #7737BC

split-complementary

#BC373A #37BC77 #377CBC

monochromatic

#5D1B1D #8D292B #BC373A #D06062 #DE8F91

Accessibility & contrast

On white

5.61

#BC373A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BC373A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC373A

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC373A	#FFFFFF	#000000	##FFFFFF
##BC373A	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5539

Deuteranopia (green-blind)

#7E7236

Tritanopia (blue-blind)

#CF083A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bc373a;
/* rgb */ color: rgb(188, 55, 58);
/* oklch */ color: oklch(53.6% 0.170 23.8);

Tailwind

colors: {
  custom: {
    50: '#d87770',
    500: '#bc373a',
    950: '#000000',
  },
}

SCSS

$custom: #bc373a;
$custom-light: #d87770;
$custom-dark: #000000;

JSON

{
  "hex": "#bc373a",
  "rgb": {
    "r": 188,
    "g": 55,
    "b": 58
  },
  "hsl": {
    "h": 358.647,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5364,
    "c": 0.16957,
    "h": 23.8
  },
  "luminance": 0.13729
}

Semantic roles & 50–950 ramp

primary

#BC373A

secondary

#86C9C7

accent

#DEDB4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC373A

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

Preview Lab → · Contrast checker → · Palette generator →