#B7304C#B7304C

#B7304C is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.171 H 13.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B7304C
RGB	rgb(183, 48, 76)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 58.5%, 28.2%)
CIE-LAB	lab(42.32, 55.13, 16.31)
CIE-LCH	lch(42.32, 57.49, 16.48°)
OKLab	oklab(52.44% 0.166 0.0404)
OKLCH	oklch(52.44% 0.171 13.7)
XYZ	xyz(21.8920, 12.7061, 8.1358)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7304C #30B79B

analogous

#B7308F #B7304C #B75830

triadic

#B7304C #4CB730 #304CB7

tetradic

#B7304C #8FB730 #30B79B #5830B7

square

#B7304C #8FB730 #30B79B #5830B7

split-complementary

#B7304C #30B758 #308FB7

monochromatic

#561724 #872338 #B7304C #D2526D #DE8396

Accessibility & contrast

On white

5.93

#B7304C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B7304C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7304C

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7304C	#FFFFFF	#000000	##FFFFFF
##B7304C	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524C

Deuteranopia (green-blind)

#776E48

Tritanopia (blue-blind)

#C8033C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7304c;
/* rgb */ color: rgb(183, 48, 76);
/* oklch */ color: oklch(52.4% 0.171 13.7);

Tailwind

colors: {
  custom: {
    50: '#d3737d',
    500: '#b7304c',
    950: '#000000',
  },
}

SCSS

$custom: #b7304c;
$custom-light: #d3737d;
$custom-dark: #000000;

JSON

{
  "hex": "#b7304c",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 347.556,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52436,
    "c": 0.17082,
    "h": 13.7
  },
  "luminance": 0.12703
}

Semantic roles & 50–950 ramp

primary

#B7304C

secondary

#7BC8B8

accent

#E2C146

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B7304C

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

Preview Lab → · Contrast checker → · Palette generator →