#BB331E#BB331E

#BB331E is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.176 H 31.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#BB331E
RGB	rgb(187, 51, 30)
HSL	hsl(8, 72%, 43%)
HSV	hsv(8, 84%, 73%)
CMYK	cmyk(0%, 72.7%, 84%, 26.7%)
CIE-LAB	lab(42.81, 53.11, 43.88)
CIE-LCH	lch(42.81, 68.90, 39.56°)
OKLab	oklab(52.73% 0.1499 0.0925)
OKLCH	oklch(52.73% 0.176 31.7)
XYZ	xyz(21.9143, 13.0296, 2.5891)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB331E #1EA6BB

analogous

#BB1E58 #BB331E #BB811E

triadic

#BB331E #1EBB33 #331EBB

tetradic

#BB331E #58BB1E #1EA6BB #811EBB

square

#BB331E #58BB1E #1EA6BB #811EBB

split-complementary

#BB331E #1EBB81 #1E58BB

monochromatic

#52160D #862516 #BB331E #DF4E37 #E77C6C

Accessibility & contrast

On white

5.82

#BB331E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#BB331E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB331E

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB331E	#FFFFFF	#000000	##FFFFFF
##BB331E	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521A

Deuteranopia (green-blind)

#7E7016

Tritanopia (blue-blind)

#CE0030

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb331e;
/* rgb */ color: rgb(187, 51, 30);
/* oklch */ color: oklch(52.7% 0.176 31.7);

Tailwind

colors: {
  custom: {
    50: '#d9745c',
    500: '#bb331e',
    950: '#000000',
  },
}

SCSS

$custom: #bb331e;
$custom-light: #d9745c;
$custom-dark: #000000;

JSON

{
  "hex": "#bb331e",
  "rgb": {
    "r": 187,
    "g": 51,
    "b": 30
  },
  "hsl": {
    "h": 8.025,
    "s": 72.35,
    "l": 42.549
  },
  "oklch": {
    "l": 0.5273,
    "c": 0.1761,
    "h": 31.7
  },
  "luminance": 0.13026
}

Semantic roles & 50–950 ramp

primary

#BB331E

secondary

#67C0CD

accent

#D7EF39

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#170904

muted

#857B79

Preview Lab

Preview with #BB331E

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

Preview Lab → · Contrast checker → · Palette generator →