#BD3737#BD3737

#BD3737 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.171 H 25.0°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#BD3737
RGB	rgb(189, 55, 55)
HSL	hsl(0, 55%, 48%)
HSV	hsv(0, 71%, 74%)
CMYK	cmyk(0%, 70.9%, 70.9%, 25.9%)
CIE-LAB	lab(43.99, 53.21, 31.48)
CIE-LCH	lch(43.99, 61.82, 30.61°)
OKLab	oklab(53.77% 0.1549 0.0723)
OKLCH	oklch(53.77% 0.171 25)
XYZ	xyz(23.0446, 13.8305, 5.0698)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BD3737 #37BDBD

analogous

#BD377A #BD3737 #BD7A37

triadic

#BD3737 #37BD37 #3737BD

tetradic

#BD3737 #7ABD37 #37BDBD #7A37BD

square

#BD3737 #7ABD37 #37BDBD #7A37BD

split-complementary

#BD3737 #37BD7A #377ABD

monochromatic

#5E1B1B #8E2929 #BD3737 #D16060 #DF9090

Accessibility & contrast

On white

5.58

#BD3737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BD3737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BD3737

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BD3737	#FFFFFF	#000000	##FFFFFF
##BD3737	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5636

Deuteranopia (green-blind)

#7F7333

Tritanopia (blue-blind)

#D00439

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bd3737;
/* rgb */ color: rgb(189, 55, 55);
/* oklch */ color: oklch(53.8% 0.171 25.0);

Tailwind

colors: {
  custom: {
    50: '#d9776e',
    500: '#bd3737',
    950: '#000000',
  },
}

SCSS

$custom: #bd3737;
$custom-light: #d9776e;
$custom-dark: #000000;

JSON

{
  "hex": "#bd3737",
  "rgb": {
    "r": 189,
    "g": 55,
    "b": 55
  },
  "hsl": {
    "h": 0,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53766,
    "c": 0.17096,
    "h": 25
  },
  "luminance": 0.13827
}

Semantic roles & 50–950 ramp

primary

#BD3737

secondary

#86C9C9

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BD3737

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

Preview Lab → · Contrast checker → · Palette generator →