#BB3749#BB3749

#BB3749 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.168 H 17.3°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#BB3749
RGB	rgb(187, 55, 73)
HSL	hsl(352, 55%, 47%)
HSV	hsv(352, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 61%, 26.7%)
CIE-LAB	lab(43.92, 53.60, 20.43)
CIE-LCH	lch(43.92, 57.36, 20.86°)
OKLab	oklab(53.74% 0.1601 0.0497)
OKLCH	oklch(53.74% 0.168 17.3)
XYZ	xyz(23.0646, 13.7815, 7.7476)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3749 #37BBA9

analogous

#BB378B #BB3749 #BB6737

triadic

#BB3749 #49BB37 #3749BB

tetradic

#BB3749 #8BBB37 #37BBA9 #6737BB

square

#BB3749 #8BBB37 #37BBA9 #6737BB

split-complementary

#BB3749 #37BB67 #378BBB

monochromatic

#5C1B24 #8C2937 #BB3749 #D05F6F #DE8E99

Accessibility & contrast

On white

5.59

#BB3749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#BB3749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3749

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3749	#FFFFFF	#000000	##FFFFFF
##BB3749	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5649

Deuteranopia (green-blind)

#7C7245

Tritanopia (blue-blind)

#CD133F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3749;
/* rgb */ color: rgb(187, 55, 73);
/* oklch */ color: oklch(53.7% 0.168 17.3);

Tailwind

colors: {
  custom: {
    50: '#d6777b',
    500: '#bb3749',
    950: '#000000',
  },
}

SCSS

$custom: #bb3749;
$custom-light: #d6777b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3749",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.818,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53742,
    "c": 0.16763,
    "h": 17.3
  },
  "luminance": 0.13778
}

Semantic roles & 50–950 ramp

primary

#BB3749

secondary

#85C9BF

accent

#DECA4A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160909

muted

#847B7B

Preview Lab

Preview with #BB3749

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

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