#B7304B#B7304B

#B7304B is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.4% C 0.171 H 14.1°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B7304B
RGB	rgb(183, 48, 75)
HSL	hsl(348, 58%, 45%)
HSV	hsv(348, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 59%, 28.2%)
CIE-LAB	lab(42.30, 55.06, 16.90)
CIE-LCH	lch(42.30, 57.59, 17.07°)
OKLab	oklab(52.41% 0.1656 0.0417)
OKLCH	oklch(52.41% 0.171 14.1)
XYZ	xyz(21.8576, 12.6923, 7.9542)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7304B #30B79C

analogous

#B7308E #B7304B #B75830

triadic

#B7304B #4BB730 #304BB7

tetradic

#B7304B #8EB730 #30B79C #5830B7

square

#B7304B #8EB730 #30B79C #5830B7

split-complementary

#B7304B #30B758 #308EB7

monochromatic

#561723 #872337 #B7304B #D2526C #DE8395

Accessibility & contrast

On white

5.94

#B7304B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B7304B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7304B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7304B	#FFFFFF	#000000	##FFFFFF
##B7304B	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)

#54524B

Deuteranopia (green-blind)

#776E47

Tritanopia (blue-blind)

#C8033B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7304b;
/* rgb */ color: rgb(183, 48, 75);
/* oklch */ color: oklch(52.4% 0.171 14.1);

Tailwind

colors: {
  custom: {
    50: '#d3737d',
    500: '#b7304b',
    950: '#000000',
  },
}

SCSS

$custom: #b7304b;
$custom-light: #d3737d;
$custom-dark: #000000;

JSON

{
  "hex": "#b7304b",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 75
  },
  "hsl": {
    "h": 348,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52414,
    "c": 0.17076,
    "h": 14.1
  },
  "luminance": 0.12689
}

Semantic roles & 50–950 ramp

primary

#B7304B

secondary

#7BC8B8

accent

#E2C346

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B7304B

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

Preview Lab → · Contrast checker → · Palette generator →