#BB374D#BB374D

#BB374D is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.168 H 15.4°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#BB374D
RGB	rgb(187, 55, 77)
HSL	hsl(350, 55%, 47%)
HSV	hsv(350, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 58.8%, 26.7%)
CIE-LAB	lab(44.00, 53.88, 18.07)
CIE-LCH	lch(44.00, 56.83, 18.54°)
OKLab	oklab(53.83% 0.1617 0.0445)
OKLCH	oklch(53.83% 0.168 15.4)
XYZ	xyz(23.2015, 13.8362, 8.4687)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB374D #37BBA5

analogous

#BB378F #BB374D #BB6337

triadic

#BB374D #4DBB37 #374DBB

tetradic

#BB374D #8FBB37 #37BBA5 #6337BB

square

#BB374D #8FBB37 #37BBA5 #6337BB

split-complementary

#BB374D #37BB63 #378FBB

monochromatic

#5C1B26 #8C293A #BB374D #D05F72 #DE8E9C

Accessibility & contrast

On white

5.58

#BB374D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BB374D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB374D

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB374D	#FFFFFF	#000000	##FFFFFF
##BB374D	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59574D

Deuteranopia (green-blind)

#7B724A

Tritanopia (blue-blind)

#CD1540

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb374d;
/* rgb */ color: rgb(187, 55, 77);
/* oklch */ color: oklch(53.8% 0.168 15.4);

Tailwind

colors: {
  custom: {
    50: '#d6777e',
    500: '#bb374d',
    950: '#000000',
  },
}

SCSS

$custom: #bb374d;
$custom-light: #d6777e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb374d",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 77
  },
  "hsl": {
    "h": 350,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53826,
    "c": 0.16768,
    "h": 15.4
  },
  "luminance": 0.13833
}

Semantic roles & 50–950 ramp

primary

#BB374D

secondary

#85C9BD

accent

#DEC54A

background

#FEF7F7

surface

#FCEEEE

border

#D5C9C9

text

#16090A

muted

#847B7C

Preview Lab

Preview with #BB374D

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

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