#B3302B#B3302B

#B3302B is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.169 H 27.2°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B3302B
RGB	rgb(179, 48, 43)
HSL	hsl(2, 61%, 44%)
HSV	hsv(2, 76%, 70%)
CMYK	cmyk(0%, 73.2%, 76%, 29.8%)
CIE-LAB	lab(41.02, 52.06, 34.60)
CIE-LCH	lch(41.02, 62.50, 33.61°)
OKLab	oklab(51.16% 0.15 0.077)
OKLCH	oklch(51.16% 0.169 27.2)
XYZ	xyz(20.0857, 11.8751, 3.5195)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3302B #2BAEB3

analogous

#B32B6A #B3302B #B3742B

triadic

#B3302B #2BB330 #302BB3

tetradic

#B3302B #6AB32B #2BAEB3 #742BB3

square

#B3302B #6AB32B #2BAEB3 #742BB3

split-complementary

#B3302B #2BB374 #2B6AB3

monochromatic

#501613 #82231F #B3302B #D34D48 #DF7D79

Accessibility & contrast

On white

6.22

#B3302B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B3302B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3302B

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3302B	#FFFFFF	#000000	##FFFFFF
##B3302B	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F29

Deuteranopia (green-blind)

#776B26

Tritanopia (blue-blind)

#C50030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3302b;
/* rgb */ color: rgb(179, 48, 43);
/* oklch */ color: oklch(51.2% 0.169 27.2);

Tailwind

colors: {
  custom: {
    50: '#d27265',
    500: '#b3302b',
    950: '#000000',
  },
}

SCSS

$custom: #b3302b;
$custom-light: #d27265;
$custom-dark: #000000;

JSON

{
  "hex": "#b3302b",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 43
  },
  "hsl": {
    "h": 2.206,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51157,
    "c": 0.16861,
    "h": 27.2
  },
  "luminance": 0.11872
}

Semantic roles & 50–950 ramp

primary

#B3302B

secondary

#73C4C7

accent

#DEE443

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B3302B

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

Preview Lab → · Contrast checker → · Palette generator →