#BB4F37#BB4F37

#BB4F37 is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.4% C 0.145 H 34.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#BB4F37
RGB	rgb(187, 79, 55)
HSL	hsl(11, 55%, 47%)
HSV	hsv(11, 71%, 73%)
CMYK	cmyk(0%, 57.8%, 70.6%, 26.7%)
CIE-LAB	lab(47.54, 42.06, 35.52)
CIE-LCH	lch(47.54, 55.05, 40.18°)
OKLab	oklab(56.37% 0.1203 0.0812)
OKLCH	oklch(56.37% 0.145 34)
XYZ	xyz(23.9815, 16.4357, 5.5233)
Luminance	0.1643 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4F37 #37A3BB

analogous

#BB3761 #BB4F37 #BB9137

triadic

#BB4F37 #37BB4F #4F37BB

tetradic

#BB4F37 #61BB37 #37A3BB #9137BB

square

#BB4F37 #61BB37 #37A3BB #9137BB

split-complementary

#BB4F37 #37BB91 #3761BB

monochromatic

#5C271B #8C3B29 #BB4F37 #D0745F #DE9D8E

Accessibility & contrast

On white

4.90

#BB4F37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#BB4F37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4F37

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4F37	#FFFFFF	#000000	##FFFFFF
##BB4F37	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6234

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#CD384A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb4f37;
/* rgb */ color: rgb(187, 79, 55);
/* oklch */ color: oklch(56.4% 0.145 34.0);

Tailwind

colors: {
  custom: {
    50: '#d6846f',
    500: '#bb4f37',
    950: '#000000',
  },
}

SCSS

$custom: #bb4f37;
$custom-light: #d6846f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4f37",
  "rgb": {
    "r": 187,
    "g": 79,
    "b": 55
  },
  "hsl": {
    "h": 10.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.14511,
    "h": 34
  },
  "luminance": 0.16433
}

Semantic roles & 50–950 ramp

primary

#BB4F37

secondary

#85BCC9

accent

#C3DE4A

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB4F37

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

Preview Lab → · Contrast checker → · Palette generator →