#BC3B37#BC3B37

#BC3B37 is a mid, vivid red. Relative luminance 0.141; OKLCH L 54.0% C 0.166 H 26.2°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#BC3B37
RGB	rgb(188, 59, 55)
HSL	hsl(2, 55%, 48%)
HSV	hsv(2, 71%, 74%)
CMYK	cmyk(0%, 68.6%, 70.7%, 26.3%)
CIE-LAB	lab(44.37, 51.32, 31.89)
CIE-LCH	lch(44.37, 60.42, 31.85°)
OKLab	oklab(54.02% 0.1491 0.0732)
OKLCH	oklch(54.02% 0.166 26.2)
XYZ	xyz(22.9951, 14.0985, 5.1241)
Luminance	0.1409 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3B37 #37B8BC

analogous

#BC3775 #BC3B37 #BC7E37

triadic

#BC3B37 #37BC3B #3B37BC

tetradic

#BC3B37 #75BC37 #37B8BC #7E37BC

square

#BC3B37 #75BC37 #37B8BC #7E37BC

split-complementary

#BC3B37 #37BC7E #3775BC

monochromatic

#5D1D1B #8D2C29 #BC3B37 #D06360 #DE928F

Accessibility & contrast

On white

5.50

#BC3B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#BC3B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3B37

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3B37	#FFFFFF	#000000	##FFFFFF
##BC3B37	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#7F7333

Tritanopia (blue-blind)

#CF143B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bc3b37;
/* rgb */ color: rgb(188, 59, 55);
/* oklch */ color: oklch(54.0% 0.166 26.2);

Tailwind

colors: {
  custom: {
    50: '#d8796e',
    500: '#bc3b37',
    950: '#000000',
  },
}

SCSS

$custom: #bc3b37;
$custom-light: #d8796e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3b37",
  "rgb": {
    "r": 188,
    "g": 59,
    "b": 55
  },
  "hsl": {
    "h": 1.805,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5402,
    "c": 0.16611,
    "h": 26.2
  },
  "luminance": 0.14095
}

Semantic roles & 50–950 ramp

primary

#BC3B37

secondary

#86C7C9

accent

#DADE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BC3B37

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

Preview Lab → · Contrast checker → · Palette generator →