#BD3731#BD3731

#BD3731 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.172 H 27.2°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#BD3731
RGB	rgb(189, 55, 49)
HSL	hsl(3, 59%, 47%)
HSV	hsv(3, 74%, 74%)
CMYK	cmyk(0%, 70.9%, 74.1%, 25.9%)
CIE-LAB	lab(43.91, 52.93, 34.88)
CIE-LCH	lch(43.91, 63.39, 33.38°)
OKLab	oklab(53.68% 0.1528 0.0785)
OKLCH	oklch(53.68% 0.172 27.2)
XYZ	xyz(22.9094, 13.7764, 4.3579)
Luminance	0.1377 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BD3731 #31B7BD

analogous

#BD3171 #BD3731 #BD7D31

triadic

#BD3731 #31BD37 #3731BD

tetradic

#BD3731 #71BD31 #31B7BD #7D31BD

square

#BD3731 #71BD31 #31B7BD #7D31BD

split-complementary

#BD3731 #31BD7D #3171BD

monochromatic

#5C1B18 #8C2924 #BD3731 #D45D58 #E08C88

Accessibility & contrast

On white

5.59

#BD3731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BD3731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BD3731

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BD3731	#FFFFFF	#000000	##FFFFFF
##BD3731	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#7F722C

Tritanopia (blue-blind)

#D00137

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bd3731;
/* rgb */ color: rgb(189, 55, 49);
/* oklch */ color: oklch(53.7% 0.172 27.2);

Tailwind

colors: {
  custom: {
    50: '#d9776a',
    500: '#bd3731',
    950: '#000000',
  },
}

SCSS

$custom: #bd3731;
$custom-light: #d9776a;
$custom-dark: #000000;

JSON

{
  "hex": "#bd3731",
  "rgb": {
    "r": 189,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.571,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53683,
    "c": 0.17178,
    "h": 27.2
  },
  "luminance": 0.13773
}

Semantic roles & 50–950 ramp

primary

#BD3731

secondary

#80C7CA

accent

#DBE246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BD3731

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

Preview Lab → · Contrast checker → · Palette generator →