#B7304A#B7304A

#B7304A is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.171 H 14.6°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B7304A
RGB	rgb(183, 48, 74)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 59.6%, 28.2%)
CIE-LAB	lab(42.28, 54.99, 17.50)
CIE-LCH	lch(42.28, 57.70, 17.65°)
OKLab	oklab(52.39% 0.1652 0.0431)
OKLCH	oklch(52.39% 0.171 14.6)
XYZ	xyz(21.8236, 12.6787, 7.7753)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7304A #30B79D

analogous

#B7308E #B7304A #B75930

triadic

#B7304A #4AB730 #304AB7

tetradic

#B7304A #8EB730 #30B79D #5930B7

square

#B7304A #8EB730 #30B79D #5930B7

split-complementary

#B7304A #30B759 #308EB7

monochromatic

#561723 #872336 #B7304A #D2526B #DE8395

Accessibility & contrast

On white

5.94

#B7304A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B7304A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7304A

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7304A	#FFFFFF	#000000	##FFFFFF
##B7304A	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524A

Deuteranopia (green-blind)

#776E46

Tritanopia (blue-blind)

#C8023B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7304a;
/* rgb */ color: rgb(183, 48, 74);
/* oklch */ color: oklch(52.4% 0.171 14.6);

Tailwind

colors: {
  custom: {
    50: '#d3737c',
    500: '#b7304a',
    950: '#000000',
  },
}

SCSS

$custom: #b7304a;
$custom-light: #d3737c;
$custom-dark: #000000;

JSON

{
  "hex": "#b7304a",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 348.444,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52391,
    "c": 0.17071,
    "h": 14.6
  },
  "luminance": 0.12676
}

Semantic roles & 50–950 ramp

primary

#B7304A

secondary

#7BC8B9

accent

#E2C446

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B7304A

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

Preview Lab → · Contrast checker → · Palette generator →