#BB374E#BB374E

#BB374E is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.168 H 14.9°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#BB374E
RGB	rgb(187, 55, 78)
HSL	hsl(350, 55%, 47%)
HSV	hsv(350, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 58.3%, 26.7%)
CIE-LAB	lab(44.02, 53.95, 17.48)
CIE-LCH	lch(44.02, 56.71, 17.95°)
OKLab	oklab(53.85% 0.1621 0.0432)
OKLCH	oklch(53.85% 0.168 14.9)
XYZ	xyz(23.2371, 13.8505, 8.6561)
Luminance	0.1385 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB374E #37BBA4

analogous

#BB3790 #BB374E #BB6237

triadic

#BB374E #4EBB37 #374EBB

tetradic

#BB374E #90BB37 #37BBA4 #6237BB

square

#BB374E #90BB37 #37BBA4 #6237BB

split-complementary

#BB374E #37BB62 #3790BB

monochromatic

#5C1B27 #8C293A #BB374E #D05F73 #DE8E9C

Accessibility & contrast

On white

5.57

#BB374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BB374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB374E

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB374E	#FFFFFF	#000000	##FFFFFF
##BB374E	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59574E

Deuteranopia (green-blind)

#7B724B

Tritanopia (blue-blind)

#CD1640

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb374e;
/* rgb */ color: rgb(187, 55, 78);
/* oklch */ color: oklch(53.8% 0.168 14.9);

Tailwind

colors: {
  custom: {
    50: '#d6777f',
    500: '#bb374e',
    950: '#000000',
  },
}

SCSS

$custom: #bb374e;
$custom-light: #d6777f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb374e",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 349.545,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53848,
    "c": 0.16772,
    "h": 14.9
  },
  "luminance": 0.13847
}

Semantic roles & 50–950 ramp

primary

#BB374E

secondary

#85C9BD

accent

#DEC44A

background

#FEF7F7

surface

#FCEEEE

border

#D5C9C9

text

#16090A

muted

#847B7C

Preview Lab

Preview with #BB374E

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

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