#BC3F37#BC3F37

#BC3F37 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.5% C 0.162 H 27.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#BC3F37
RGB	rgb(188, 63, 55)
HSL	hsl(4, 55%, 48%)
HSV	hsv(4, 71%, 74%)
CMYK	cmyk(0%, 66.5%, 70.7%, 26.3%)
CIE-LAB	lab(44.98, 49.68, 32.59)
CIE-LCH	lch(44.98, 59.42, 33.27°)
OKLab	oklab(54.47% 0.1439 0.0748)
OKLCH	oklch(54.47% 0.162 27.4)
XYZ	xyz(23.2086, 14.5255, 5.1953)
Luminance	0.1452 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3F37 #37B4BC

analogous

#BC3771 #BC3F37 #BC8137

triadic

#BC3F37 #37BC3F #3F37BC

tetradic

#BC3F37 #71BC37 #37B4BC #8137BC

square

#BC3F37 #71BC37 #37B4BC #8137BC

split-complementary

#BC3F37 #37BC81 #3771BC

monochromatic

#5D1F1B #8D2F29 #BC3F37 #D06760 #DE948F

Accessibility & contrast

On white

5.38

#BC3F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#BC3F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3F37

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3F37	#FFFFFF	#000000	##FFFFFF
##BC3F37	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#817433

Tritanopia (blue-blind)

#CF1D3E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bc3f37;
/* rgb */ color: rgb(188, 63, 55);
/* oklch */ color: oklch(54.5% 0.162 27.4);

Tailwind

colors: {
  custom: {
    50: '#d87b6e',
    500: '#bc3f37',
    950: '#000000',
  },
}

SCSS

$custom: #bc3f37;
$custom-light: #d87b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3f37",
  "rgb": {
    "r": 188,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 3.609,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.54473,
    "c": 0.1622,
    "h": 27.4
  },
  "luminance": 0.14522
}

Semantic roles & 50–950 ramp

primary

#BC3F37

secondary

#86C5C9

accent

#D5DE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BC3F37

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

Preview Lab → · Contrast checker → · Palette generator →