#BB3643#BB3643

#BB3643 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.169 H 19.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#BB3643
RGB	rgb(187, 54, 67)
HSL	hsl(354, 55%, 47%)
HSV	hsv(354, 71%, 73%)
CMYK	cmyk(0%, 71.1%, 64.2%, 26.7%)
CIE-LAB	lab(43.67, 53.60, 23.79)
CIE-LCH	lch(43.67, 58.64, 23.93°)
OKLab	oklab(53.52% 0.1589 0.0569)
OKLCH	oklch(53.52% 0.169 19.7)
XYZ	xyz(22.8282, 13.6117, 6.7344)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3643 #36BBAE

analogous

#BB3686 #BB3643 #BB6B36

triadic

#BB3643 #43BB36 #3643BB

tetradic

#BB3643 #86BB36 #36BBAE #6B36BB

square

#BB3643 #86BB36 #36BBAE #6B36BB

split-complementary

#BB3643 #36BB6B #3686BB

monochromatic

#5C1B21 #8C2832 #BB3643 #D05E69 #DE8D95

Accessibility & contrast

On white

5.64

#BB3643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3643

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3643	#FFFFFF	#000000	##FFFFFF
##BB3643	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5543

Deuteranopia (green-blind)

#7C713F

Tritanopia (blue-blind)

#CD0C3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3643;
/* rgb */ color: rgb(187, 54, 67);
/* oklch */ color: oklch(53.5% 0.169 19.7);

Tailwind

colors: {
  custom: {
    50: '#d77677',
    500: '#bb3643',
    950: '#000000',
  },
}

SCSS

$custom: #bb3643;
$custom-light: #d77677;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3643",
  "rgb": {
    "r": 187,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 354.135,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53522,
    "c": 0.1688,
    "h": 19.7
  },
  "luminance": 0.13608
}

Semantic roles & 50–950 ramp

primary

#BB3643

secondary

#84C9C2

accent

#DFD049

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3643

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

Preview Lab → · Contrast checker → · Palette generator →