#BB3F1E#BB3F1E

#BB3F1E is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.0% C 0.166 H 35.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#BB3F1E
RGB	rgb(187, 63, 30)
HSL	hsl(13, 72%, 43%)
HSV	hsv(13, 84%, 73%)
CMYK	cmyk(0%, 66.3%, 84%, 26.7%)
CIE-LAB	lab(44.54, 48.38, 45.44)
CIE-LCH	lch(44.54, 66.38, 43.21°)
OKLab	oklab(54.03% 0.1352 0.096)
OKLCH	oklch(54.03% 0.166 35.4)
XYZ	xyz(22.5080, 14.2169, 2.7870)
Luminance	0.1421 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F1E #1E9ABB

analogous

#BB1E4C #BB3F1E #BB8D1E

triadic

#BB3F1E #1EBB3F #3F1EBB

tetradic

#BB3F1E #4CBB1E #1E9ABB #8D1EBB

square

#BB3F1E #4CBB1E #1E9ABB #8D1EBB

split-complementary

#BB3F1E #1EBB8D #1E4CBB

monochromatic

#521B0D #862D16 #BB3F1E #DF5A37 #E7866C

Accessibility & contrast

On white

5.46

#BB3F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#BB3F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F1E

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F1E	#FFFFFF	#000000	##FFFFFF
##BB3F1E	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635818

Deuteranopia (green-blind)

#827417

Tritanopia (blue-blind)

#CE1839

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #bb3f1e;
/* rgb */ color: rgb(187, 63, 30);
/* oklch */ color: oklch(54.0% 0.166 35.4);

Tailwind

colors: {
  custom: {
    50: '#d87a5d',
    500: '#bb3f1e',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f1e;
$custom-light: #d87a5d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f1e",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 30
  },
  "hsl": {
    "h": 12.611,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.54031,
    "c": 0.16583,
    "h": 35.4
  },
  "luminance": 0.14214
}

Semantic roles & 50–950 ramp

primary

#BB3F1E

secondary

#67B8CD

accent

#C9EF39

background

#FEF7F5

surface

#FDEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #BB3F1E

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

Preview Lab → · Contrast checker → · Palette generator →