#BB374F#BB374F

#BB374F is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.9% C 0.168 H 14.4°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#BB374F
RGB	rgb(187, 55, 79)
HSL	hsl(349, 55%, 47%)
HSV	hsv(349, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 57.8%, 26.7%)
CIE-LAB	lab(44.04, 54.02, 16.89)
CIE-LCH	lch(44.04, 56.60, 17.36°)
OKLab	oklab(53.87% 0.1625 0.0419)
OKLCH	oklch(53.87% 0.168 14.4)
XYZ	xyz(23.2732, 13.8649, 8.8463)
Luminance	0.1386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB374F #37BBA3

analogous

#BB3791 #BB374F #BB6137

triadic

#BB374F #4FBB37 #374FBB

tetradic

#BB374F #91BB37 #37BBA3 #6137BB

square

#BB374F #91BB37 #37BBA3 #6137BB

split-complementary

#BB374F #37BB61 #3791BB

monochromatic

#5C1B27 #8C293B #BB374F #D05F74 #DE8E9D

Accessibility & contrast

On white

5.57

#BB374F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BB374F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB374F

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB374F	#FFFFFF	#000000	##FFFFFF
##BB374F	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)

#59574F

Deuteranopia (green-blind)

#7B724C

Tritanopia (blue-blind)

#CC1641

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb374f;
/* rgb */ color: rgb(187, 55, 79);
/* oklch */ color: oklch(53.9% 0.168 14.4);

Tailwind

colors: {
  custom: {
    50: '#d67780',
    500: '#bb374f',
    950: '#000000',
  },
}

SCSS

$custom: #bb374f;
$custom-light: #d67780;
$custom-dark: #000000;

JSON

{
  "hex": "#bb374f",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 79
  },
  "hsl": {
    "h": 349.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53871,
    "c": 0.16775,
    "h": 14.4
  },
  "luminance": 0.13862
}

Semantic roles & 50–950 ramp

primary

#BB374F

secondary

#85C9BC

accent

#DEC34A

background

#FEF7F7

surface

#FCEEEE

border

#D5C9C9

text

#16090A

muted

#847B7C

Preview Lab

Preview with #BB374F

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

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