#BC3937#BC3937

#BC3937 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.168 H 25.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BC3937
RGB	rgb(188, 57, 55)
HSL	hsl(1, 55%, 48%)
HSV	hsv(1, 71%, 74%)
CMYK	cmyk(0%, 69.7%, 70.7%, 26.3%)
CIE-LAB	lab(44.08, 52.11, 31.54)
CIE-LCH	lch(44.08, 60.92, 31.19°)
OKLab	oklab(53.8% 0.1516 0.0725)
OKLCH	oklch(53.8% 0.168 25.5)
XYZ	xyz(22.8943, 13.8968, 5.0905)
Luminance	0.1389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3937 #37BABC

analogous

#BC3778 #BC3937 #BC7B37

triadic

#BC3937 #37BC39 #3937BC

tetradic

#BC3937 #78BC37 #37BABC #7B37BC

square

#BC3937 #78BC37 #37BABC #7B37BC

split-complementary

#BC3937 #37BC7B #3778BC

monochromatic

#5D1C1B #8D2B29 #BC3937 #D06160 #DE908F

Accessibility & contrast

On white

5.56

#BC3937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BC3937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3937

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3937	#FFFFFF	#000000	##FFFFFF
##BC3937	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5636

Deuteranopia (green-blind)

#7F7333

Tritanopia (blue-blind)

#CF0E3A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bc3937;
/* rgb */ color: rgb(188, 57, 55);
/* oklch */ color: oklch(53.8% 0.168 25.5);

Tailwind

colors: {
  custom: {
    50: '#d8786e',
    500: '#bc3937',
    950: '#000000',
  },
}

SCSS

$custom: #bc3937;
$custom-light: #d8786e;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3937",
  "rgb": {
    "r": 188,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.902,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53804,
    "c": 0.16803,
    "h": 25.5
  },
  "luminance": 0.13893
}

Semantic roles & 50–950 ramp

primary

#BC3937

secondary

#86C8C9

accent

#DCDE4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3937

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

Preview Lab → · Contrast checker → · Palette generator →