#B6363F#B6363F

#B6363F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.164 H 21.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B6363F
RGB	rgb(182, 54, 63)
HSL	hsl(356, 54%, 46%)
HSV	hsv(356, 70%, 71%)
CMYK	cmyk(0%, 70.3%, 65.4%, 28.6%)
CIE-LAB	lab(42.68, 51.76, 24.78)
CIE-LCH	lch(42.68, 57.39, 25.58°)
OKLab	oklab(52.59% 0.1529 0.0589)
OKLCH	oklch(52.59% 0.164 21.1)
XYZ	xyz(21.5100, 12.9454, 6.0677)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B6363F #36B6AD

analogous

#B6367F #B6363F #B66D36

triadic

#B6363F #3FB636 #363FB6

tetradic

#B6363F #7FB636 #36B6AD #6D36B6

square

#B6363F #7FB636 #36B6AD #6D36B6

split-complementary

#B6363F #36B66D #367FB6

monochromatic

#581A1E #87282F #B6363F #CE5B63 #DC8A90

Accessibility & contrast

On white

5.85

#B6363F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B6363F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B6363F

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B6363F	#FFFFFF	#000000	##FFFFFF
##B6363F	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533E

Deuteranopia (green-blind)

#796F3B

Tritanopia (blue-blind)

#C8103A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b6363f;
/* rgb */ color: rgb(182, 54, 63);
/* oklch */ color: oklch(52.6% 0.164 21.1);

Tailwind

colors: {
  custom: {
    50: '#d37674',
    500: '#b6363f',
    950: '#000000',
  },
}

SCSS

$custom: #b6363f;
$custom-light: #d37674;
$custom-dark: #000000;

JSON

{
  "hex": "#b6363f",
  "rgb": {
    "r": 182,
    "g": 54,
    "b": 63
  },
  "hsl": {
    "h": 355.781,
    "s": 54.237,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52593,
    "c": 0.16385,
    "h": 21.1
  },
  "luminance": 0.12942
}

Semantic roles & 50–950 ramp

primary

#B6363F

secondary

#81C6C2

accent

#DED34A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B6363F

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

Preview Lab → · Contrast checker → · Palette generator →