#B3302C#B3302C

#B3302C is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.168 H 26.8°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B3302C
RGB	rgb(179, 48, 44)
HSL	hsl(2, 61%, 44%)
HSV	hsv(2, 75%, 70%)
CMYK	cmyk(0%, 73.2%, 75.4%, 29.8%)
CIE-LAB	lab(41.03, 52.10, 34.03)
CIE-LCH	lch(41.03, 62.23, 33.15°)
OKLab	oklab(51.17% 0.1503 0.0761)
OKLCH	oklch(51.17% 0.168 26.8)
XYZ	xyz(20.1043, 11.8825, 3.6174)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3302C #2CAFB3

analogous

#B32C6B #B3302C #B3732C

triadic

#B3302C #2CB330 #302CB3

tetradic

#B3302C #6BB32C #2CAFB3 #732CB3

square

#B3302C #6BB32C #2CAFB3 #732CB3

split-complementary

#B3302C #2CB373 #2C6BB3

monochromatic

#511614 #822320 #B3302C #D24E4A #DF7E7B

Accessibility & contrast

On white

6.22

#B3302C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B3302C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3302C

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3302C	#FFFFFF	#000000	##FFFFFF
##B3302C	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2A

Deuteranopia (green-blind)

#776B27

Tritanopia (blue-blind)

#C50031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3302c;
/* rgb */ color: rgb(179, 48, 44);
/* oklch */ color: oklch(51.2% 0.168 26.8);

Tailwind

colors: {
  custom: {
    50: '#d27266',
    500: '#b3302c',
    950: '#000000',
  },
}

SCSS

$custom: #b3302c;
$custom-light: #d27266;
$custom-dark: #000000;

JSON

{
  "hex": "#b3302c",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 44
  },
  "hsl": {
    "h": 1.778,
    "s": 60.538,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51169,
    "c": 0.16847,
    "h": 26.8
  },
  "luminance": 0.11879
}

Semantic roles & 50–950 ramp

primary

#B3302C

secondary

#74C4C7

accent

#DFE444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B3302C

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

Preview Lab → · Contrast checker → · Palette generator →