#B5302C#B5302C

#B5302C is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.171 H 26.9°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B5302C
RGB	rgb(181, 48, 44)
HSL	hsl(2, 61%, 44%)
HSV	hsv(2, 76%, 71%)
CMYK	cmyk(0%, 73.5%, 75.7%, 29%)
CIE-LAB	lab(41.41, 52.73, 34.56)
CIE-LCH	lch(41.41, 63.05, 33.24°)
OKLab	oklab(51.52% 0.1521 0.0771)
OKLCH	oklch(51.52% 0.171 26.9)
XYZ	xyz(20.5700, 12.1227, 3.6392)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5302C #2CB1B5

analogous

#B52C6D #B5302C #B5752C

triadic

#B5302C #2CB530 #302CB5

tetradic

#B5302C #6DB52C #2CB1B5 #752CB5

square

#B5302C #6DB52C #2CB1B5 #752CB5

split-complementary

#B5302C #2CB575 #2C6DB5

monochromatic

#531614 #842320 #B5302C #D34F4B #DF7F7C

Accessibility & contrast

On white

6.13

#B5302C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B5302C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5302C

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5302C	#FFFFFF	#000000	##FFFFFF
##B5302C	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#786C27

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b5302c;
/* rgb */ color: rgb(181, 48, 44);
/* oklch */ color: oklch(51.5% 0.171 26.9);

Tailwind

colors: {
  custom: {
    50: '#d47266',
    500: '#b5302c',
    950: '#000000',
  },
}

SCSS

$custom: #b5302c;
$custom-light: #d47266;
$custom-dark: #000000;

JSON

{
  "hex": "#b5302c",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 44
  },
  "hsl": {
    "h": 1.752,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51523,
    "c": 0.17051,
    "h": 26.9
  },
  "luminance": 0.1212
}

Semantic roles & 50–950 ramp

primary

#B5302C

secondary

#75C5C8

accent

#DFE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B5302C

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

Preview Lab → · Contrast checker → · Palette generator →