#BB3F27#BB3F27

#BB3F27 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.1% C 0.164 H 33.0°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F27
RGB	rgb(187, 63, 39)
HSL	hsl(10, 65%, 44%)
HSV	hsv(10, 79%, 73%)
CMYK	cmyk(0%, 66.3%, 79.1%, 26.7%)
CIE-LAB	lab(44.62, 48.66, 41.03)
CIE-LCH	lch(44.62, 63.65, 40.14°)
OKLab	oklab(54.11% 0.1377 0.0893)
OKLCH	oklch(54.11% 0.164 33)
XYZ	xyz(22.6398, 14.2696, 3.4813)
Luminance	0.1427 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F27 #27A3BB

analogous

#BB2759 #BB3F27 #BB8927

triadic

#BB3F27 #27BB3F #3F27BB

tetradic

#BB3F27 #59BB27 #27A3BB #8927BB

square

#BB3F27 #59BB27 #27A3BB #8927BB

split-complementary

#BB3F27 #27BB89 #2759BB

monochromatic

#561D12 #882E1C #BB3F27 #D95E47 #E38A79

Accessibility & contrast

On white

5.45

#BB3F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#BB3F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F27

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F27	#FFFFFF	#000000	##FFFFFF
##BB3F27	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635823

Deuteranopia (green-blind)

#817422

Tritanopia (blue-blind)

#CE1A3A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bb3f27;
/* rgb */ color: rgb(187, 63, 39);
/* oklch */ color: oklch(54.1% 0.164 33.0);

Tailwind

colors: {
  custom: {
    50: '#d87a63',
    500: '#bb3f27',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f27;
$custom-light: #d87a63;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f27",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 9.73,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54111,
    "c": 0.16411,
    "h": 33
  },
  "luminance": 0.14266
}

Semantic roles & 50–950 ramp

primary

#BB3F27

secondary

#73BDCB

accent

#CDE83F

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #BB3F27

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

Preview Lab → · Contrast checker → · Palette generator →