#BB3641#BB3641

#BB3641 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.5% C 0.169 H 20.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#BB3641
RGB	rgb(187, 54, 65)
HSL	hsl(355, 55%, 47%)
HSV	hsv(355, 71%, 73%)
CMYK	cmyk(0%, 71.1%, 65.2%, 26.7%)
CIE-LAB	lab(43.64, 53.48, 24.96)
CIE-LCH	lch(43.64, 59.02, 25.02°)
OKLab	oklab(53.49% 0.1581 0.0593)
OKLCH	oklch(53.49% 0.169 20.6)
XYZ	xyz(22.7692, 13.5881, 6.4238)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3641 #36BBB0

analogous

#BB3683 #BB3641 #BB6E36

triadic

#BB3641 #41BB36 #3641BB

tetradic

#BB3641 #83BB36 #36BBB0 #6E36BB

square

#BB3641 #83BB36 #36BBB0 #6E36BB

split-complementary

#BB3641 #36BB6E #3683BB

monochromatic

#5C1B20 #8C2830 #BB3641 #D05E67 #DE8D94

Accessibility & contrast

On white

5.65

#BB3641 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#BB3641 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3641

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3641	#FFFFFF	#000000	##FFFFFF
##BB3641	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5540

Deuteranopia (green-blind)

#7C713D

Tritanopia (blue-blind)

#CD0A3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3641;
/* rgb */ color: rgb(187, 54, 65);
/* oklch */ color: oklch(53.5% 0.169 20.6);

Tailwind

colors: {
  custom: {
    50: '#d77675',
    500: '#bb3641',
    950: '#000000',
  },
}

SCSS

$custom: #bb3641;
$custom-light: #d77675;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3641",
  "rgb": {
    "r": 187,
    "g": 54,
    "b": 65
  },
  "hsl": {
    "h": 355.038,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53485,
    "c": 0.1689,
    "h": 20.6
  },
  "luminance": 0.13585
}

Semantic roles & 50–950 ramp

primary

#BB3641

secondary

#84C9C3

accent

#DFD249

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3641

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

Preview Lab → · Contrast checker → · Palette generator →