#BC3638#BC3638

#BC3638 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.171 H 24.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BC3638
RGB	rgb(188, 54, 56)
HSL	hsl(359, 55%, 47%)
HSV	hsv(359, 71%, 74%)
CMYK	cmyk(0%, 71.3%, 70.2%, 26.3%)
CIE-LAB	lab(43.68, 53.31, 30.48)
CIE-LCH	lch(43.68, 61.41, 29.75°)
OKLab	oklab(53.51% 0.1556 0.0703)
OKLCH	oklch(53.51% 0.171 24.3)
XYZ	xyz(22.7745, 13.6186, 5.1701)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BC3638 #36BCBA

analogous

#BC367B #BC3638 #BC7736

triadic

#BC3638 #38BC36 #3638BC

tetradic

#BC3638 #7BBC36 #36BCBA #7736BC

square

#BC3638 #7BBC36 #36BCBA #7736BC

split-complementary

#BC3638 #36BC77 #367BBC

monochromatic

#5D1B1C #8C282A #BC3638 #D15E60 #DF8E8F

Accessibility & contrast

On white

5.64

#BC3638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BC3638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BC3638

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BC3638	#FFFFFF	#000000	##FFFFFF
##BC3638	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5537

Deuteranopia (green-blind)

#7E7234

Tritanopia (blue-blind)

#CF0238

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bc3638;
/* rgb */ color: rgb(188, 54, 56);
/* oklch */ color: oklch(53.5% 0.171 24.3);

Tailwind

colors: {
  custom: {
    50: '#d8766f',
    500: '#bc3638',
    950: '#000000',
  },
}

SCSS

$custom: #bc3638;
$custom-light: #d8766f;
$custom-dark: #000000;

JSON

{
  "hex": "#bc3638",
  "rgb": {
    "r": 188,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.104,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53507,
    "c": 0.17074,
    "h": 24.3
  },
  "luminance": 0.13615
}

Semantic roles & 50–950 ramp

primary

#BC3638

secondary

#85C9C8

accent

#DFDC49

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BC3638

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

Preview Lab → · Contrast checker → · Palette generator →