#BD3637#BD3637

#BD3637 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.172 H 24.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#BD3637
RGB	rgb(189, 54, 55)
HSL	hsl(360, 56%, 48%)
HSV	hsv(360, 71%, 74%)
CMYK	cmyk(0%, 71.4%, 70.9%, 25.9%)
CIE-LAB	lab(43.85, 53.58, 31.32)
CIE-LCH	lch(43.85, 62.06, 30.30°)
OKLab	oklab(53.67% 0.1561 0.0719)
OKLCH	oklch(53.67% 0.172 24.7)
XYZ	xyz(22.9976, 13.7364, 5.0541)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BD3637 #36BDBC

analogous

#BD367A #BD3637 #BD7936

triadic

#BD3637 #37BD36 #3637BD

tetradic

#BD3637 #7ABD36 #36BDBC #7936BD

square

#BD3637 #7ABD36 #36BDBC #7936BD

split-complementary

#BD3637 #36BD79 #367ABD

monochromatic

#5E1B1B #8D2829 #BD3637 #D15F60 #DF8F8F

Accessibility & contrast

On white

5.61

#BD3637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BD3637 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BD3637

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BD3637	#FFFFFF	#000000	##FFFFFF
##BD3637	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5536

Deuteranopia (green-blind)

#7E7233

Tritanopia (blue-blind)

#D00038

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bd3637;
/* rgb */ color: rgb(189, 54, 55);
/* oklch */ color: oklch(53.7% 0.172 24.7);

Tailwind

colors: {
  custom: {
    50: '#d9766e',
    500: '#bd3637',
    950: '#000000',
  },
}

SCSS

$custom: #bd3637;
$custom-light: #d9766e;
$custom-dark: #000000;

JSON

{
  "hex": "#bd3637",
  "rgb": {
    "r": 189,
    "g": 54,
    "b": 55
  },
  "hsl": {
    "h": 359.556,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53665,
    "c": 0.17189,
    "h": 24.7
  },
  "luminance": 0.13733
}

Semantic roles & 50–950 ramp

primary

#BD3637

secondary

#85C9C9

accent

#DFDE49

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BD3637

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

Preview Lab → · Contrast checker → · Palette generator →