#BB3B36#BB3B36

#BB3B36 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.165 H 26.5°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#BB3B36
RGB	rgb(187, 59, 54)
HSL	hsl(2, 55%, 47%)
HSV	hsv(2, 71%, 73%)
CMYK	cmyk(0%, 68.4%, 71.1%, 26.7%)
CIE-LAB	lab(44.18, 50.94, 32.20)
CIE-LCH	lch(44.18, 60.26, 32.29°)
OKLab	oklab(53.84% 0.1478 0.0738)
OKLCH	oklch(53.84% 0.165 26.5)
XYZ	xyz(22.7258, 13.9624, 4.9877)
Luminance	0.1396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3B36 #36B6BB

analogous

#BB3673 #BB3B36 #BB7E36

triadic

#BB3B36 #36BB3B #3B36BB

tetradic

#BB3B36 #73BB36 #36B6BB #7E36BB

square

#BB3B36 #73BB36 #36B6BB #7E36BB

split-complementary

#BB3B36 #36BB7E #3673BB

monochromatic

#5C1D1B #8C2C28 #BB3B36 #D0625E #DE908D

Accessibility & contrast

On white

5.54

#BB3B36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#BB3B36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B36

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3B36	#FFFFFF	#000000	##FFFFFF
##BB3B36	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#7F7332

Tritanopia (blue-blind)

#CE143B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3b36;
/* rgb */ color: rgb(187, 59, 54);
/* oklch */ color: oklch(53.8% 0.165 26.5);

Tailwind

colors: {
  custom: {
    50: '#d7796d',
    500: '#bb3b36',
    950: '#000000',
  },
}

SCSS

$custom: #bb3b36;
$custom-light: #d7796d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3b36",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 54
  },
  "hsl": {
    "h": 2.256,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53837,
    "c": 0.1652,
    "h": 26.5
  },
  "luminance": 0.13959
}

Semantic roles & 50–950 ramp

primary

#BB3B36

secondary

#84C6C9

accent

#D9DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3B36

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

Preview Lab → · Contrast checker → · Palette generator →