Dull Red#BB3F3F

#BB3F3F is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.4% C 0.160 H 24.1°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Dull Red — editorial page

Color values

HEX	#BB3F3F
RGB	rgb(187, 63, 63)
HSL	hsl(0, 50%, 49%)
HSV	hsv(0, 66%, 73%)
CMYK	cmyk(0%, 66.3%, 66.3%, 26.7%)
CIE-LAB	lab(44.92, 49.78, 27.77)
CIE-LCH	lch(44.92, 57.00, 29.16°)
OKLab	oklab(54.43% 0.146 0.0654)
OKLCH	oklch(54.43% 0.16 24.1)
XYZ	xyz(23.1706, 14.4820, 6.2769)
Luminance	0.1448 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3F3F #3FBBBB

analogous

#BB3F7D #BB3F3F #BB7D3F

triadic

#BB3F3F #3FBB3F #3F3FBB

tetradic

#BB3F3F #7DBB3F #3FBBBB #7D3FBB

square

#BB3F3F #7DBB3F #3FBBBB #7D3FBB

split-complementary

#BB3F3F #3FBB7D #3F7DBB

monochromatic

#5F2020 #8D3030 #BB3F3F #CD6A6A #DC9898

Accessibility & contrast

On white

5.39

#BB3F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#BB3F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3F3F

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3F3F	#FFFFFF	#000000	##FFFFFF
##BB3F3F	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60593E

Deuteranopia (green-blind)

#7F743B

Tritanopia (blue-blind)

#CD2040

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3f3f;
/* rgb */ color: rgb(187, 63, 63);
/* oklch */ color: oklch(54.4% 0.160 24.1);

Tailwind

colors: {
  custom: {
    50: '#d77b74',
    500: '#bb3f3f',
    950: '#000000',
  },
}

SCSS

$custom: #bb3f3f;
$custom-light: #d77b74;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3f3f",
  "rgb": {
    "r": 187,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54431,
    "c": 0.15996,
    "h": 24.1
  },
  "luminance": 0.14479
}

Semantic roles & 50–950 ramp

primary

#BB3F3F

secondary

#8EC8C8

accent

#D9D94F

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160A08

muted

#847C7B

Preview Lab

Preview with #BB3F3F

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

Preview Lab → · Contrast checker → · Palette generator →