#B7363B#B7363B

#B7363B is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.165 H 22.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B7363B
RGB	rgb(183, 54, 59)
HSL	hsl(358, 54%, 46%)
HSV	hsv(358, 70%, 72%)
CMYK	cmyk(0%, 70.5%, 67.8%, 28.2%)
CIE-LAB	lab(42.80, 51.86, 27.40)
CIE-LCH	lch(42.80, 58.65, 27.85°)
OKLab	oklab(52.7% 0.1523 0.0642)
OKLCH	oklch(52.7% 0.165 22.8)
XYZ	xyz(21.6393, 13.0245, 5.5114)
Luminance	0.1302 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7363B #36B7B2

analogous

#B7367C #B7363B #B77236

triadic

#B7363B #3BB736 #363BB7

tetradic

#B7363B #7CB736 #36B7B2 #7236B7

square

#B7363B #7CB736 #36B7B2 #7236B7

split-complementary

#B7363B #36B772 #367CB7

monochromatic

#581A1D #88282C #B7363B #CF5B60 #DD8B8E

Accessibility & contrast

On white

5.83

#B7363B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B7363B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7363B

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7363B	#FFFFFF	#000000	##FFFFFF
##B7363B	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A533A

Deuteranopia (green-blind)

#7A6F37

Tritanopia (blue-blind)

#C90C39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b7363b;
/* rgb */ color: rgb(183, 54, 59);
/* oklch */ color: oklch(52.7% 0.165 22.8);

Tailwind

colors: {
  custom: {
    50: '#d47671',
    500: '#b7363b',
    950: '#000000',
  },
}

SCSS

$custom: #b7363b;
$custom-light: #d47671;
$custom-dark: #000000;

JSON

{
  "hex": "#b7363b",
  "rgb": {
    "r": 183,
    "g": 54,
    "b": 59
  },
  "hsl": {
    "h": 357.674,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52695,
    "c": 0.16524,
    "h": 22.8
  },
  "luminance": 0.13021
}

Semantic roles & 50–950 ramp

primary

#B7363B

secondary

#82C7C4

accent

#DED84A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B7363B

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

Preview Lab → · Contrast checker → · Palette generator →