#B3302A#B3302A

#B3302A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.1% C 0.169 H 27.5°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B3302A
RGB	rgb(179, 48, 42)
HSL	hsl(3, 62%, 43%)
HSV	hsv(3, 77%, 70%)
CMYK	cmyk(0%, 73.2%, 76.5%, 29.8%)
CIE-LAB	lab(41.01, 52.02, 35.16)
CIE-LCH	lch(41.01, 62.78, 34.05°)
OKLab	oklab(51.14% 0.1496 0.078)
OKLCH	oklch(51.14% 0.169 27.5)
XYZ	xyz(20.0676, 11.8679, 3.4241)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3302A #2AADB3

analogous

#B32A68 #B3302A #B3742A

triadic

#B3302A #2AB330 #302AB3

tetradic

#B3302A #68B32A #2AADB3 #742AB3

square

#B3302A #68B32A #2AADB3 #742AB3

split-complementary

#B3302A #2AB374 #2A68B3

monochromatic

#501513 #81231E #B3302A #D44D46 #DF7D78

Accessibility & contrast

On white

6.23

#B3302A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B3302A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3302A

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3302A	#FFFFFF	#000000	##FFFFFF
##B3302A	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E28

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#C50030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b3302a;
/* rgb */ color: rgb(179, 48, 42);
/* oklch */ color: oklch(51.1% 0.169 27.5);

Tailwind

colors: {
  custom: {
    50: '#d27264',
    500: '#b3302a',
    950: '#000000',
  },
}

SCSS

$custom: #b3302a;
$custom-light: #d27264;
$custom-dark: #000000;

JSON

{
  "hex": "#b3302a",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 42
  },
  "hsl": {
    "h": 2.628,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51144,
    "c": 0.16875,
    "h": 27.5
  },
  "luminance": 0.11865
}

Semantic roles & 50–950 ramp

primary

#B3302A

secondary

#72C3C7

accent

#DEE543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B3302A

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

Preview Lab → · Contrast checker → · Palette generator →