#BB3B38#BB3B38

#BB3B38 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.9% C 0.165 H 25.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B38
RGB	rgb(187, 59, 56)
HSL	hsl(1, 54%, 48%)
HSV	hsv(1, 70%, 73%)
CMYK	cmyk(0%, 68.4%, 70.1%, 26.7%)
CIE-LAB	lab(44.21, 51.04, 31.06)
CIE-LCH	lch(44.21, 59.75, 31.32°)
OKLab	oklab(53.87% 0.1485 0.0716)
OKLCH	oklch(53.87% 0.165 25.7)
XYZ	xyz(22.7737, 13.9816, 5.2401)
Luminance	0.1398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B38 #38B8BB

analogous

#BB3876 #BB3B38 #BB7C38

triadic

#BB3B38 #38BB3B #3B38BB

tetradic

#BB3B38 #76BB38 #38B8BB #7C38BB

square

#BB3B38 #76BB38 #38B8BB #7C38BB

split-complementary

#BB3B38 #38BB7C #3876BB

monochromatic

#5D1D1C #8C2C2A #BB3B38 #D06361 #DE9290

Accessibility & contrast

On white

5.53

#BB3B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#BB3B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B38

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B38	#FFFFFF	#000000	##FFFFFF
##BB3B38	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5737

Deuteranopia (green-blind)

#7F7334

Tritanopia (blue-blind)

#CD153C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b38;
/* rgb */ color: rgb(187, 59, 56);
/* oklch */ color: oklch(53.9% 0.165 25.7);

Tailwind

colors: {
  custom: {
    50: '#d7796f',
    500: '#bb3b38',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b38;
$custom-light: #d7796f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b38",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.374,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53866,
    "c": 0.16491,
    "h": 25.7
  },
  "luminance": 0.13978
}

Semantic roles & 50–950 ramp

primary

#BB3B38

secondary

#86C7C8

accent

#DADD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3B38

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

Preview Lab → · Contrast checker → · Palette generator →