#B3304F#B3304F

#B3304F is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.167 H 11.6°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B3304F
RGB	rgb(179, 48, 79)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 55.9%, 29.8%)
CIE-LAB	lab(41.63, 54.14, 13.38)
CIE-LCH	lch(41.63, 55.77, 13.88°)
OKLab	oklab(51.82% 0.1638 0.0336)
OKLCH	oklch(51.82% 0.167 11.6)
XYZ	xyz(21.0606, 12.2651, 8.6540)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3304F #30B394

analogous

#B33090 #B3304F #B35330

triadic

#B3304F #4FB330 #304FB3

tetradic

#B3304F #90B330 #30B394 #5330B3

square

#B3304F #90B330 #30B394 #5330B3

split-complementary

#B3304F #30B353 #3090B3

monochromatic

#521624 #83233A #B3304F #D0506E #DD8096

Accessibility & contrast

On white

6.08

#B3304F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B3304F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3304F

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3304F	#FFFFFF	#000000	##FFFFFF
##B3304F	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52514F

Deuteranopia (green-blind)

#746C4C

Tritanopia (blue-blind)

#C40C3D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3304f;
/* rgb */ color: rgb(179, 48, 79);
/* oklch */ color: oklch(51.8% 0.167 11.6);

Tailwind

colors: {
  custom: {
    50: '#d07380',
    500: '#b3304f',
    950: '#000000',
  },
}

SCSS

$custom: #b3304f;
$custom-light: #d07380;
$custom-dark: #000000;

JSON

{
  "hex": "#b3304f",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 345.802,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51815,
    "c": 0.16717,
    "h": 11.6
  },
  "luminance": 0.12262
}

Semantic roles & 50–950 ramp

primary

#B3304F

secondary

#79C6B4

accent

#E1BC47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B3304F

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

Preview Lab → · Contrast checker → · Palette generator →