#BB3F1D#BB3F1D

#BB3F1D is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.0% C 0.166 H 35.6°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F1D
RGB	rgb(187, 63, 29)
HSL	hsl(13, 73%, 42%)
HSV	hsv(13, 84%, 73%)
CMYK	cmyk(0%, 66.3%, 84.5%, 26.7%)
CIE-LAB	lab(44.54, 48.35, 45.90)
CIE-LCH	lch(44.54, 66.67, 43.51°)
OKLab	oklab(54.02% 0.135 0.0966)
OKLCH	oklch(54.02% 0.166 35.6)
XYZ	xyz(22.4954, 14.2119, 2.7208)
Luminance	0.1421 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F1D #1D99BB

analogous

#BB1D4A #BB3F1D #BB8E1D

triadic

#BB3F1D #1DBB3F #3F1DBB

tetradic

#BB3F1D #4ABB1D #1D99BB #8E1DBB

square

#BB3F1D #4ABB1D #1D99BB #8E1DBB

split-complementary

#BB3F1D #1DBB8E #1D4ABB

monochromatic

#511B0D #862D15 #BB3F1D #E05A35 #E8856A

Accessibility & contrast

On white

5.47

#BB3F1D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#BB3F1D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F1D

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F1D	#FFFFFF	#000000	##FFFFFF
##BB3F1D	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635817

Deuteranopia (green-blind)

#827416

Tritanopia (blue-blind)

#CE1839

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bb3f1d;
/* rgb */ color: rgb(187, 63, 29);
/* oklch */ color: oklch(54.0% 0.166 35.6);

Tailwind

colors: {
  custom: {
    50: '#d97a5d',
    500: '#bb3f1d',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f1d;
$custom-light: #d97a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f1d",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 29
  },
  "hsl": {
    "h": 12.911,
    "s": 73.148,
    "l": 42.353
  },
  "oklch": {
    "l": 0.54023,
    "c": 0.166,
    "h": 35.6
  },
  "luminance": 0.14209
}

Semantic roles & 50–950 ramp

primary

#BB3F1D

secondary

#66B7CE

accent

#C8F038

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #BB3F1D

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

Preview Lab → · Contrast checker → · Palette generator →