#BC2137#BC2137

#BC2137 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.7% C 0.188 H 20.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#BC2137
RGB	rgb(188, 33, 55)
HSL	hsl(351, 70%, 43%)
HSV	hsv(351, 82%, 74%)
CMYK	cmyk(0%, 82.4%, 70.7%, 26.3%)
CIE-LAB	lab(41.31, 59.86, 28.23)
CIE-LCH	lch(41.31, 66.18, 25.25°)
OKLab	oklab(51.74% 0.1762 0.0652)
OKLCH	oklch(51.74% 0.188 20.3)
XYZ	xyz(21.9750, 12.0584, 4.7841)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC2137 #21BCA6

analogous

#BC2184 #BC2137 #BC5821

triadic

#BC2137 #37BC21 #2137BC

tetradic

#BC2137 #84BC21 #21BCA6 #5821BC

square

#BC2137 #84BC21 #21BCA6 #5821BC

split-complementary

#BC2137 #21BC58 #2184BC

monochromatic

#540F19 #881828 #BC2137 #DD3D54 #E67182

Accessibility & contrast

On white

6.16

#BC2137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#BC2137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC2137

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC2137	#FFFFFF	#000000	##FFFFFF
##BC2137	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D36

Deuteranopia (green-blind)

#786D32

Tritanopia (blue-blind)

#CF002B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #bc2137;
/* rgb */ color: rgb(188, 33, 55);
/* oklch */ color: oklch(51.7% 0.188 20.3);

Tailwind

colors: {
  custom: {
    50: '#d96e6d',
    500: '#bc2137',
    950: '#000000',
  },
}

SCSS

$custom: #bc2137;
$custom-light: #d96e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#bc2137",
  "rgb": {
    "r": 188,
    "g": 33,
    "b": 55
  },
  "hsl": {
    "h": 351.484,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5174,
    "c": 0.1879,
    "h": 20.3
  },
  "luminance": 0.12055
}

Semantic roles & 50–950 ramp

primary

#BC2137

secondary

#6CCDBF

accent

#EDD43B

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #BC2137

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

Preview Lab → · Contrast checker → · Palette generator →