#B6363A#B6363A

#B6363A is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.164 H 23.2°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B6363A
RGB	rgb(182, 54, 58)
HSL	hsl(358, 54%, 46%)
HSV	hsv(358, 70%, 71%)
CMYK	cmyk(0%, 70.3%, 68.1%, 28.6%)
CIE-LAB	lab(42.60, 51.48, 27.71)
CIE-LCH	lch(42.60, 58.47, 28.29°)
OKLab	oklab(52.51% 0.151 0.0648)
OKLCH	oklch(52.51% 0.164 23.2)
XYZ	xyz(21.3766, 12.8920, 5.3650)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6363A #36B6B2

analogous

#B6367A #B6363A #B67236

triadic

#B6363A #3AB636 #363AB6

tetradic

#B6363A #7AB636 #36B6B2 #7236B6

square

#B6363A #7AB636 #36B6B2 #7236B6

split-complementary

#B6363A #36B672 #367AB6

monochromatic

#581A1C #87282B #B6363A #CE5B5F #DC8A8D

Accessibility & contrast

On white

5.87

#B6363A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B6363A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6363A

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6363A	#FFFFFF	#000000	##FFFFFF
##B6363A	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)

#5A5339

Deuteranopia (green-blind)

#7A6F36

Tritanopia (blue-blind)

#C80D39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6363a;
/* rgb */ color: rgb(182, 54, 58);
/* oklch */ color: oklch(52.5% 0.164 23.2);

Tailwind

colors: {
  custom: {
    50: '#d37670',
    500: '#b6363a',
    950: '#000000',
  },
}

SCSS

$custom: #b6363a;
$custom-light: #d37670;
$custom-dark: #000000;

JSON

{
  "hex": "#b6363a",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 58
  },
  "hsl": {
    "h": 358.125,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52506,
    "c": 0.16428,
    "h": 23.2
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#B6363A

secondary

#81C6C4

accent

#DED94A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B6363A

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

Preview Lab → · Contrast checker → · Palette generator →