#B7302B#B7302B

#B7302B is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.173 H 27.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B7302B
RGB	rgb(183, 48, 43)
HSL	hsl(2, 62%, 44%)
HSV	hsv(2, 77%, 72%)
CMYK	cmyk(0%, 73.8%, 76.5%, 28.2%)
CIE-LAB	lab(41.78, 53.33, 35.65)
CIE-LCH	lch(41.78, 64.15, 33.76°)
OKLab	oklab(51.87% 0.1535 0.0791)
OKLCH	oklch(51.87% 0.173 27.2)
XYZ	xyz(21.0239, 12.3589, 3.5635)
Luminance	0.1236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7302B #2BB2B7

analogous

#B72B6C #B7302B #B7762B

triadic

#B7302B #2BB730 #302BB7

tetradic

#B7302B #6CB72B #2BB2B7 #762BB7

square

#B7302B #6CB72B #2BB2B7 #762BB7

split-complementary

#B7302B #2BB776 #2B6CB7

monochromatic

#541614 #85231F #B7302B #D5504B #E0807C

Accessibility & contrast

On white

6.05

#B7302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B7302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7302B

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7302B	#FFFFFF	#000000	##FFFFFF
##B7302B	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)

#585029

Deuteranopia (green-blind)

#7A6D26

Tritanopia (blue-blind)

#CA0030

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b7302b;
/* rgb */ color: rgb(183, 48, 43);
/* oklch */ color: oklch(51.9% 0.173 27.2);

Tailwind

colors: {
  custom: {
    50: '#d57365',
    500: '#b7302b',
    950: '#000000',
  },
}

SCSS

$custom: #b7302b;
$custom-light: #d57365;
$custom-dark: #000000;

JSON

{
  "hex": "#b7302b",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.143,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51865,
    "c": 0.17267,
    "h": 27.2
  },
  "luminance": 0.12356
}

Semantic roles & 50–950 ramp

primary

#B7302B

secondary

#75C6C9

accent

#DFE543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B7302B

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

Preview Lab → · Contrast checker → · Palette generator →