#B3304A#B3304A

#B3304A is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.167 H 14.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B3304A
RGB	rgb(179, 48, 74)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 58.7%, 29.8%)
CIE-LAB	lab(41.52, 53.77, 16.36)
CIE-LCH	lch(41.52, 56.20, 16.92°)
OKLab	oklab(51.7% 0.1618 0.0405)
OKLCH	oklch(51.7% 0.167 14)
XYZ	xyz(20.8854, 12.1950, 7.7313)
Luminance	0.1219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3304A #30B399

analogous

#B3308B #B3304A #B35830

triadic

#B3304A #4AB330 #304AB3

tetradic

#B3304A #8BB330 #30B399 #5830B3

square

#B3304A #8BB330 #30B399 #5830B3

split-complementary

#B3304A #30B358 #308BB3

monochromatic

#521622 #832336 #B3304A #D0506A #DD8093

Accessibility & contrast

On white

6.11

#B3304A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B3304A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3304A

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3304A	#FFFFFF	#000000	##FFFFFF
##B3304A	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514A

Deuteranopia (green-blind)

#746C47

Tritanopia (blue-blind)

#C4073B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3304a;
/* rgb */ color: rgb(179, 48, 74);
/* oklch */ color: oklch(51.7% 0.167 14.0);

Tailwind

colors: {
  custom: {
    50: '#d0737c',
    500: '#b3304a',
    950: '#000000',
  },
}

SCSS

$custom: #b3304a;
$custom-light: #d0737c;
$custom-dark: #000000;

JSON

{
  "hex": "#b3304a",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 348.092,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51698,
    "c": 0.16676,
    "h": 14
  },
  "luminance": 0.12192
}

Semantic roles & 50–950 ramp

primary

#B3304A

secondary

#79C6B7

accent

#E1C247

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B3304A

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

Preview Lab → · Contrast checker → · Palette generator →