#BB3942#BB3942

#BB3942 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 21.0°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3942
RGB	rgb(187, 57, 66)
HSL	hsl(356, 53%, 48%)
HSV	hsv(356, 70%, 73%)
CMYK	cmyk(0%, 69.5%, 64.7%, 26.7%)
CIE-LAB	lab(44.07, 52.39, 24.91)
CIE-LCH	lch(44.07, 58.01, 25.43°)
OKLab	oklab(53.82% 0.1549 0.0593)
OKLCH	oklch(53.82% 0.166 21)
XYZ	xyz(22.9424, 13.8877, 6.6257)
Luminance	0.1388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3942 #39BBB2

analogous

#BB3983 #BB3942 #BB7139

triadic

#BB3942 #42BB39 #3942BB

tetradic

#BB3942 #83BB39 #39BBB2 #7139BB

square

#BB3942 #83BB39 #39BBB2 #7139BB

split-complementary

#BB3942 #39BB71 #3983BB

monochromatic

#5D1C21 #8C2B31 #BB3942 #CF626A #DD9196

Accessibility & contrast

On white

5.56

#BB3942 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3942 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3942

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3942	#FFFFFF	#000000	##FFFFFF
##BB3942	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)

#5C5741

Deuteranopia (green-blind)

#7D723E

Tritanopia (blue-blind)

#CD143D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3942;
/* rgb */ color: rgb(187, 57, 66);
/* oklch */ color: oklch(53.8% 0.166 21.0);

Tailwind

colors: {
  custom: {
    50: '#d77876',
    500: '#bb3942',
    950: '#000000',
  },
}

SCSS

$custom: #bb3942;
$custom-light: #d77876;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3942",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 66
  },
  "hsl": {
    "h": 355.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53815,
    "c": 0.16584,
    "h": 21
  },
  "luminance": 0.13884
}

Semantic roles & 50–950 ramp

primary

#BB3942

secondary

#87C8C4

accent

#DDD34B

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3942

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

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