#BC3A37#BC3A37

#BC3A37 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.9% C 0.167 H 25.8°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#BC3A37
RGB	rgb(188, 58, 55)
HSL	hsl(1, 55%, 48%)
HSV	hsv(1, 71%, 74%)
CMYK	cmyk(0%, 69.1%, 70.7%, 26.3%)
CIE-LAB	lab(44.23, 51.72, 31.71)
CIE-LCH	lch(44.23, 60.67, 31.52°)
OKLab	oklab(53.91% 0.1504 0.0728)
OKLCH	oklch(53.91% 0.167 25.8)
XYZ	xyz(22.9442, 13.9967, 5.1072)
Luminance	0.1399 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3A37 #37B9BC

analogous

#BC3777 #BC3A37 #BC7C37

triadic

#BC3A37 #37BC3A #3A37BC

tetradic

#BC3A37 #77BC37 #37B9BC #7C37BC

square

#BC3A37 #77BC37 #37B9BC #7C37BC

split-complementary

#BC3A37 #37BC7C #3777BC

monochromatic

#5D1D1B #8D2B29 #BC3A37 #D06260 #DE918F

Accessibility & contrast

On white

5.53

#BC3A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#BC3A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3A37

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3A37	#FFFFFF	#000000	##FFFFFF
##BC3A37	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#7F7333

Tritanopia (blue-blind)

#CF113B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bc3a37;
/* rgb */ color: rgb(188, 58, 55);
/* oklch */ color: oklch(53.9% 0.167 25.8);

Tailwind

colors: {
  custom: {
    50: '#d8786e',
    500: '#bc3a37',
    950: '#000000',
  },
}

SCSS

$custom: #bc3a37;
$custom-light: #d8786e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3a37",
  "rgb": {
    "r": 188,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.353,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53911,
    "c": 0.16707,
    "h": 25.8
  },
  "luminance": 0.13993
}

Semantic roles & 50–950 ramp

primary

#BC3A37

secondary

#86C7C9

accent

#DBDE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3A37

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

Preview Lab → · Contrast checker → · Palette generator →