#B7302C#B7302C

#B7302C is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.173 H 26.9°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B7302C
RGB	rgb(183, 48, 44)
HSL	hsl(2, 61%, 45%)
HSV	hsv(2, 76%, 72%)
CMYK	cmyk(0%, 73.8%, 76%, 28.2%)
CIE-LAB	lab(41.79, 53.37, 35.09)
CIE-LCH	lch(41.79, 63.87, 33.32°)
OKLab	oklab(51.88% 0.1538 0.0781)
OKLCH	oklch(51.88% 0.173 26.9)
XYZ	xyz(21.0425, 12.3663, 3.6613)
Luminance	0.1236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7302C #2CB3B7

analogous

#B72C6D #B7302C #B7762C

triadic

#B7302C #2CB730 #302CB7

tetradic

#B7302C #6DB72C #2CB3B7 #762CB7

square

#B7302C #6DB72C #2CB3B7 #762CB7

split-complementary

#B7302C #2CB776 #2C6DB7

monochromatic

#541614 #862320 #B7302C #D4504C #E0807E

Accessibility & contrast

On white

6.05

#B7302C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B7302C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7302C

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7302C	#FFFFFF	#000000	##FFFFFF
##B7302C	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502A

Deuteranopia (green-blind)

#7A6D27

Tritanopia (blue-blind)

#CA0031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b7302c;
/* rgb */ color: rgb(183, 48, 44);
/* oklch */ color: oklch(51.9% 0.173 26.9);

Tailwind

colors: {
  custom: {
    50: '#d57366',
    500: '#b7302c',
    950: '#000000',
  },
}

SCSS

$custom: #b7302c;
$custom-light: #d57366;
$custom-dark: #000000;

JSON

{
  "hex": "#b7302c",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 44
  },
  "hsl": {
    "h": 1.727,
    "s": 61.233,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51877,
    "c": 0.17253,
    "h": 26.9
  },
  "luminance": 0.12363
}

Semantic roles & 50–950 ramp

primary

#B7302C

secondary

#76C6C8

accent

#E0E443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B7302C

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

Preview Lab → · Contrast checker → · Palette generator →