#BB3943#BB3943

#BB3943 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 20.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3943
RGB	rgb(187, 57, 67)
HSL	hsl(355, 53%, 48%)
HSV	hsv(355, 70%, 73%)
CMYK	cmyk(0%, 69.5%, 64.2%, 26.7%)
CIE-LAB	lab(44.09, 52.45, 24.32)
CIE-LCH	lch(44.09, 57.81, 24.88°)
OKLab	oklab(53.83% 0.1553 0.0581)
OKLCH	oklch(53.83% 0.166 20.5)
XYZ	xyz(22.9721, 13.8996, 6.7824)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3943 #39BBB1

analogous

#BB3984 #BB3943 #BB7039

triadic

#BB3943 #43BB39 #3943BB

tetradic

#BB3943 #84BB39 #39BBB1 #7039BB

square

#BB3943 #84BB39 #39BBB1 #7039BB

split-complementary

#BB3943 #39BB70 #3984BB

monochromatic

#5D1C21 #8C2B32 #BB3943 #CF626A #DD9197

Accessibility & contrast

On white

5.56

#BB3943 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3943 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3943

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3943	#FFFFFF	#000000	##FFFFFF
##BB3943	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5742

Deuteranopia (green-blind)

#7D723F

Tritanopia (blue-blind)

#CD153E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3943;
/* rgb */ color: rgb(187, 57, 67);
/* oklch */ color: oklch(53.8% 0.166 20.5);

Tailwind

colors: {
  custom: {
    50: '#d77877',
    500: '#bb3943',
    950: '#000000',
  },
}

SCSS

$custom: #bb3943;
$custom-light: #d77877;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3943",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 67
  },
  "hsl": {
    "h": 355.385,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53833,
    "c": 0.16577,
    "h": 20.5
  },
  "luminance": 0.13896
}

Semantic roles & 50–950 ramp

primary

#BB3943

secondary

#87C8C3

accent

#DDD14B

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3943

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

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