#BB3947#BB3947

#BB3947 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.9% C 0.166 H 18.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#BB3947
RGB	rgb(187, 57, 71)
HSL	hsl(354, 53%, 48%)
HSV	hsv(354, 70%, 73%)
CMYK	cmyk(0%, 69.5%, 62%, 26.7%)
CIE-LAB	lab(44.16, 52.70, 21.97)
CIE-LCH	lch(44.16, 57.10, 22.63°)
OKLab	oklab(53.91% 0.1568 0.0531)
OKLCH	oklch(53.91% 0.166 18.7)
XYZ	xyz(23.0963, 13.9493, 7.4363)
Luminance	0.1395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3947 #39BBAD

analogous

#BB3988 #BB3947 #BB6C39

triadic

#BB3947 #47BB39 #3947BB

tetradic

#BB3947 #88BB39 #39BBAD #6C39BB

square

#BB3947 #88BB39 #39BBAD #6C39BB

split-complementary

#BB3947 #39BB6C #3988BB

monochromatic

#5D1C23 #8C2B35 #BB3947 #CF626E #DD9199

Accessibility & contrast

On white

5.54

#BB3947 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#BB3947 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3947

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3947	#FFFFFF	#000000	##FFFFFF
##BB3947	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5747

Deuteranopia (green-blind)

#7D7243

Tritanopia (blue-blind)

#CD173F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3947;
/* rgb */ color: rgb(187, 57, 71);
/* oklch */ color: oklch(53.9% 0.166 18.7);

Tailwind

colors: {
  custom: {
    50: '#d6787a',
    500: '#bb3947',
    950: '#000000',
  },
}

SCSS

$custom: #bb3947;
$custom-light: #d6787a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3947",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 353.538,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.5391,
    "c": 0.16559,
    "h": 18.7
  },
  "luminance": 0.13946
}

Semantic roles & 50–950 ramp

primary

#BB3947

secondary

#87C8C1

accent

#DDCD4B

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160909

muted

#847B7B

Preview Lab

Preview with #BB3947

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

Preview Lab → · Contrast checker → · Palette generator →