#BB312E#BB312E

#BB312E is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.175 H 26.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#BB312E
RGB	rgb(187, 49, 46)
HSL	hsl(1, 61%, 46%)
HSV	hsv(1, 75%, 73%)
CMYK	cmyk(0%, 73.8%, 75.4%, 26.7%)
CIE-LAB	lab(42.71, 54.36, 35.16)
CIE-LCH	lch(42.71, 64.74, 32.90°)
OKLab	oklab(52.7% 0.1569 0.0785)
OKLCH	oklch(52.7% 0.175 26.6)
XYZ	xyz(22.0875, 12.9621, 3.9232)
Luminance	0.1296 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB312E #2EB8BB

analogous

#BB2E71 #BB312E #BB782E

triadic

#BB312E #2EBB31 #312EBB

tetradic

#BB312E #71BB2E #2EB8BB #782EBB

square

#BB312E #71BB2E #2EB8BB #782EBB

split-complementary

#BB312E #2EBB78 #2E71BB

monochromatic

#591716 #8A2422 #BB312E #D45552 #E08583

Accessibility & contrast

On white

5.85

#BB312E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#BB312E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB312E

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB312E	#FFFFFF	#000000	##FFFFFF
##BB312E	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522C

Deuteranopia (green-blind)

#7C7029

Tritanopia (blue-blind)

#CE0032

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb312e;
/* rgb */ color: rgb(187, 49, 46);
/* oklch */ color: oklch(52.7% 0.175 26.6);

Tailwind

colors: {
  custom: {
    50: '#d87467',
    500: '#bb312e',
    950: '#000000',
  },
}

SCSS

$custom: #bb312e;
$custom-light: #d87467;
$custom-dark: #000000;

JSON

{
  "hex": "#bb312e",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 46
  },
  "hsl": {
    "h": 1.277,
    "s": 60.515,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52704,
    "c": 0.17544,
    "h": 26.6
  },
  "luminance": 0.12959
}

Semantic roles & 50–950 ramp

primary

#BB312E

secondary

#7BC8CA

accent

#E0E444

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB312E

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

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