#BB3941#BB3941

#BB3941 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 21.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3941
RGB	rgb(187, 57, 65)
HSL	hsl(356, 53%, 48%)
HSV	hsv(356, 70%, 73%)
CMYK	cmyk(0%, 69.5%, 65.2%, 26.7%)
CIE-LAB	lab(44.05, 52.33, 25.49)
CIE-LCH	lch(44.05, 58.21, 25.97°)
OKLab	oklab(53.8% 0.1545 0.0605)
OKLCH	oklch(53.8% 0.166 21.4)
XYZ	xyz(22.9132, 13.8760, 6.4718)
Luminance	0.1387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3941 #39BBB3

analogous

#BB3982 #BB3941 #BB7239

triadic

#BB3941 #41BB39 #3941BB

tetradic

#BB3941 #82BB39 #39BBB3 #7239BB

square

#BB3941 #82BB39 #39BBB3 #7239BB

split-complementary

#BB3941 #39BB72 #3982BB

monochromatic

#5D1C20 #8C2B31 #BB3941 #CF6269 #DD9196

Accessibility & contrast

On white

5.56

#BB3941 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#BB3941 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3941

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3941	#FFFFFF	#000000	##FFFFFF
##BB3941	1.00	5.56	3.77	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5740

Deuteranopia (green-blind)

#7D723D

Tritanopia (blue-blind)

#CD143D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3941;
/* rgb */ color: rgb(187, 57, 65);
/* oklch */ color: oklch(53.8% 0.166 21.4);

Tailwind

colors: {
  custom: {
    50: '#d77875',
    500: '#bb3941',
    950: '#000000',
  },
}

SCSS

$custom: #bb3941;
$custom-light: #d77875;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3941",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 65
  },
  "hsl": {
    "h": 356.308,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53797,
    "c": 0.16591,
    "h": 21.4
  },
  "luminance": 0.13873
}

Semantic roles & 50–950 ramp

primary

#BB3941

secondary

#87C8C4

accent

#DDD44B

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3941

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

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