#BB3440#BB3440

#BB3440 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.3% C 0.171 H 20.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#BB3440
RGB	rgb(187, 52, 64)
HSL	hsl(355, 56%, 47%)
HSV	hsv(355, 72%, 73%)
CMYK	cmyk(0%, 72.2%, 65.8%, 26.7%)
CIE-LAB	lab(43.35, 54.16, 25.21)
CIE-LCH	lch(43.35, 59.74, 24.96°)
OKLab	oklab(53.27% 0.1601 0.0598)
OKLCH	oklch(53.27% 0.171 20.5)
XYZ	xyz(22.6493, 13.3943, 6.2422)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3440 #34BBAF

analogous

#BB3483 #BB3440 #BB6C34

triadic

#BB3440 #40BB34 #3440BB

tetradic

#BB3440 #83BB34 #34BBAF #6C34BB

square

#BB3440 #83BB34 #34BBAF #6C34BB

split-complementary

#BB3440 #34BB6C #3483BB

monochromatic

#5B191F #8B2730 #BB3440 #D15B65 #DF8B92

Accessibility & contrast

On white

5.71

#BB3440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#BB3440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3440

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3440	#FFFFFF	#000000	##FFFFFF
##BB3440	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543F

Deuteranopia (green-blind)

#7C713C

Tritanopia (blue-blind)

#CD023A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3440;
/* rgb */ color: rgb(187, 52, 64);
/* oklch */ color: oklch(53.3% 0.171 20.5);

Tailwind

colors: {
  custom: {
    50: '#d77574',
    500: '#bb3440',
    950: '#000000',
  },
}

SCSS

$custom: #bb3440;
$custom-light: #d77574;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3440",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.667,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53267,
    "c": 0.1709,
    "h": 20.5
  },
  "luminance": 0.13391
}

Semantic roles & 50–950 ramp

primary

#BB3440

secondary

#82C9C3

accent

#E0D248

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3440

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

Preview Lab → · Contrast checker → · Palette generator →