#BB3F31#BB3F31

#BB3F31 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.2% C 0.162 H 29.7°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F31
RGB	rgb(187, 63, 49)
HSL	hsl(6, 58%, 46%)
HSV	hsv(6, 74%, 73%)
CMYK	cmyk(0%, 66.3%, 73.8%, 26.7%)
CIE-LAB	lab(44.72, 49.06, 35.69)
CIE-LCH	lch(44.72, 60.67, 36.04°)
OKLab	oklab(54.23% 0.1409 0.0804)
OKLCH	oklch(54.23% 0.162 29.7)
XYZ	xyz(22.8279, 14.3449, 4.4719)
Luminance	0.1434 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F31 #31ADBB

analogous

#BB3168 #BB3F31 #BB8431

triadic

#BB3F31 #31BB3F #3F31BB

tetradic

#BB3F31 #68BB31 #31ADBB #8431BB

square

#BB3F31 #68BB31 #31ADBB #8431BB

split-complementary

#BB3F31 #31BB84 #3168BB

monochromatic

#5A1E18 #8B2F24 #BB3F31 #D36356 #E09087

Accessibility & contrast

On white

5.43

#BB3F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#BB3F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F31

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F31	#FFFFFF	#000000	##FFFFFF
##BB3F31	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#81742D

Tritanopia (blue-blind)

#CE1C3D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3f31;
/* rgb */ color: rgb(187, 63, 49);
/* oklch */ color: oklch(54.2% 0.162 29.7);

Tailwind

colors: {
  custom: {
    50: '#d77b6a',
    500: '#bb3f31',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f31;
$custom-light: #d77b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f31",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 6.087,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54225,
    "c": 0.16218,
    "h": 29.7
  },
  "luminance": 0.14342
}

Semantic roles & 50–950 ramp

primary

#BB3F31

secondary

#7FC2C9

accent

#D2E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #BB3F31

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

Preview Lab → · Contrast checker → · Palette generator →