#BB3A38#BB3A38

#BB3A38 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.8% C 0.166 H 25.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#BB3A38
RGB	rgb(187, 58, 56)
HSL	hsl(1, 54%, 48%)
HSV	hsv(1, 70%, 73%)
CMYK	cmyk(0%, 69%, 70.1%, 26.7%)
CIE-LAB	lab(44.06, 51.44, 30.88)
CIE-LCH	lch(44.06, 60.00, 30.98°)
OKLab	oklab(53.76% 0.1498 0.0712)
OKLCH	oklch(53.76% 0.166 25.4)
XYZ	xyz(22.7228, 13.8798, 5.2232)
Luminance	0.1388 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3A38 #38B9BB

analogous

#BB3877 #BB3A38 #BB7B38

triadic

#BB3A38 #38BB3A #3A38BB

tetradic

#BB3A38 #77BB38 #38B9BB #7B38BB

square

#BB3A38 #77BB38 #38B9BB #7B38BB

split-complementary

#BB3A38 #38BB7B #3877BB

monochromatic

#5D1D1C #8C2B2A #BB3A38 #D06261 #DE9190

Accessibility & contrast

On white

5.56

#BB3A38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#BB3A38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3A38

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3A38	#FFFFFF	#000000	##FFFFFF
##BB3A38	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)

#5E5637

Deuteranopia (green-blind)

#7E7234

Tritanopia (blue-blind)

#CD123B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3a38;
/* rgb */ color: rgb(187, 58, 56);
/* oklch */ color: oklch(53.8% 0.166 25.4);

Tailwind

colors: {
  custom: {
    50: '#d7786f',
    500: '#bb3a38',
    950: '#000000',
  },
}

SCSS

$custom: #bb3a38;
$custom-light: #d7786f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3a38",
  "rgb": {
    "r": 187,
    "g": 58,
    "b": 56
  },
  "hsl": {
    "h": 0.916,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53756,
    "c": 0.16588,
    "h": 25.4
  },
  "luminance": 0.13876
}

Semantic roles & 50–950 ramp

primary

#BB3A38

secondary

#86C7C8

accent

#DBDD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3A38

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

Preview Lab → · Contrast checker → · Palette generator →