#BB3F36#BB3F36

#BB3F36 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.3% C 0.161 H 27.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F36
RGB	rgb(187, 63, 54)
HSL	hsl(4, 55%, 47%)
HSV	hsv(4, 71%, 73%)
CMYK	cmyk(0%, 66.3%, 71.1%, 26.7%)
CIE-LAB	lab(44.79, 49.29, 32.90)
CIE-LCH	lch(44.79, 59.27, 33.72°)
OKLab	oklab(54.29% 0.1426 0.0753)
OKLCH	oklch(54.29% 0.161 27.8)
XYZ	xyz(22.9393, 14.3894, 5.0588)
Luminance	0.1439 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F36 #36B2BB

analogous

#BB3670 #BB3F36 #BB8136

triadic

#BB3F36 #36BB3F #3F36BB

tetradic

#BB3F36 #70BB36 #36B2BB #8136BB

square

#BB3F36 #70BB36 #36B2BB #8136BB

split-complementary

#BB3F36 #36BB81 #3670BB

monochromatic

#5C1F1B #8C2F28 #BB3F36 #D0665E #DE938D

Accessibility & contrast

On white

5.42

#BB3F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#BB3F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F36

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F36	#FFFFFF	#000000	##FFFFFF
##BB3F36	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615934

Deuteranopia (green-blind)

#807432

Tritanopia (blue-blind)

#CD1E3E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3f36;
/* rgb */ color: rgb(187, 63, 54);
/* oklch */ color: oklch(54.3% 0.161 27.8);

Tailwind

colors: {
  custom: {
    50: '#d77b6d',
    500: '#bb3f36',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f36;
$custom-light: #d77b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f36",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 4.06,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54292,
    "c": 0.16129,
    "h": 27.8
  },
  "luminance": 0.14386
}

Semantic roles & 50–950 ramp

primary

#BB3F36

secondary

#84C4C9

accent

#D4DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB3F36

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

Preview Lab → · Contrast checker → · Palette generator →