#B6363B#B6363B

#B6363B is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.164 H 22.8°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B6363B
RGB	rgb(182, 54, 59)
HSL	hsl(358, 54%, 46%)
HSV	hsv(358, 70%, 71%)
CMYK	cmyk(0%, 70.3%, 67.6%, 28.6%)
CIE-LAB	lab(42.62, 51.54, 27.13)
CIE-LCH	lch(42.62, 58.24, 27.76°)
OKLab	oklab(52.52% 0.1514 0.0636)
OKLCH	oklch(52.52% 0.164 22.8)
XYZ	xyz(21.4023, 12.9023, 5.5003)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6363B #36B6B1

analogous

#B6367B #B6363B #B67136

triadic

#B6363B #3BB636 #363BB6

tetradic

#B6363B #7BB636 #36B6B1 #7136B6

square

#B6363B #7BB636 #36B6B1 #7136B6

split-complementary

#B6363B #36B671 #367BB6

monochromatic

#581A1C #87282C #B6363B #CE5B5F #DC8A8D

Accessibility & contrast

On white

5.87

#B6363B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B6363B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6363B

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6363B	#FFFFFF	#000000	##FFFFFF
##B6363B	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A533A

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#C80D39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6363b;
/* rgb */ color: rgb(182, 54, 59);
/* oklch */ color: oklch(52.5% 0.164 22.8);

Tailwind

colors: {
  custom: {
    50: '#d37671',
    500: '#b6363b',
    950: '#000000',
  },
}

SCSS

$custom: #b6363b;
$custom-light: #d37671;
$custom-dark: #000000;

JSON

{
  "hex": "#b6363b",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 59
  },
  "hsl": {
    "h": 357.656,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52523,
    "c": 0.16419,
    "h": 22.8
  },
  "luminance": 0.12899
}

Semantic roles & 50–950 ramp

primary

#B6363B

secondary

#81C6C4

accent

#DED84A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6363B

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

Preview Lab → · Contrast checker → · Palette generator →