#BB3D1B#BB3D1B

#BB3D1B is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.168 H 35.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#BB3D1B
RGB	rgb(187, 61, 27)
HSL	hsl(13, 75%, 42%)
HSV	hsv(13, 86%, 73%)
CMYK	cmyk(0%, 67.4%, 85.6%, 26.7%)
CIE-LAB	lab(44.21, 49.14, 46.53)
CIE-LCH	lch(44.21, 67.67, 43.43°)
OKLab	oklab(53.77% 0.1371 0.0973)
OKLCH	oklch(53.77% 0.168 35.4)
XYZ	xyz(22.3627, 13.9848, 2.5585)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3D1B #1B99BB

analogous

#BB1B49 #BB3D1B #BB8D1B

triadic

#BB3D1B #1BBB3D #3D1BBB

tetradic

#BB3D1B #49BB1B #1B99BB #8D1BBB

square

#BB3D1B #49BB1B #1B99BB #8D1BBB

split-complementary

#BB3D1B #1BBB8D #1B49BB

monochromatic

#501A0C #862C13 #BB3D1B #E15732 #E98367

Accessibility & contrast

On white

5.53

#BB3D1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#BB3D1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3D1B

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3D1B	#FFFFFF	#000000	##FFFFFF
##BB3D1B	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625715

Deuteranopia (green-blind)

#817313

Tritanopia (blue-blind)

#CE1237

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3d1b;
/* rgb */ color: rgb(187, 61, 27);
/* oklch */ color: oklch(53.8% 0.168 35.4);

Tailwind

colors: {
  custom: {
    50: '#d9795b',
    500: '#bb3d1b',
    950: '#000000',
  },
}

SCSS

$custom: #bb3d1b;
$custom-light: #d9795b;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3d1b",
  "rgb": {
    "r": 187,
    "g": 61,
    "b": 27
  },
  "hsl": {
    "h": 12.75,
    "s": 74.766,
    "l": 41.961
  },
  "oklch": {
    "l": 0.53775,
    "c": 0.1681,
    "h": 35.4
  },
  "luminance": 0.13981
}

Semantic roles & 50–950 ramp

primary

#BB3D1B

secondary

#63B8CE

accent

#CAF136

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB3D1B

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

Preview Lab → · Contrast checker → · Palette generator →