#B7304E#B7304E

#B7304E is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.5% C 0.171 H 12.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B7304E
RGB	rgb(183, 48, 78)
HSL	hsl(347, 58%, 45%)
HSV	hsv(347, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 57.4%, 28.2%)
CIE-LAB	lab(42.36, 55.27, 15.12)
CIE-LCH	lch(42.36, 57.30, 15.30°)
OKLab	oklab(52.48% 0.1668 0.0377)
OKLCH	oklch(52.48% 0.171 12.7)
XYZ	xyz(21.9627, 12.7344, 8.5077)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7304E #30B799

analogous

#B73091 #B7304E #B75630

triadic

#B7304E #4EB730 #304EB7

tetradic

#B7304E #91B730 #30B799 #5630B7

square

#B7304E #91B730 #30B799 #5630B7

split-complementary

#B7304E #30B756 #3091B7

monochromatic

#561725 #872339 #B7304E #D2526F #DE8397

Accessibility & contrast

On white

5.92

#B7304E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B7304E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7304E

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7304E	#FFFFFF	#000000	##FFFFFF
##B7304E	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524E

Deuteranopia (green-blind)

#766E4B

Tritanopia (blue-blind)

#C8053C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7304e;
/* rgb */ color: rgb(183, 48, 78);
/* oklch */ color: oklch(52.5% 0.171 12.7);

Tailwind

colors: {
  custom: {
    50: '#d3737f',
    500: '#b7304e',
    950: '#000000',
  },
}

SCSS

$custom: #b7304e;
$custom-light: #d3737f;
$custom-dark: #000000;

JSON

{
  "hex": "#b7304e",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 346.667,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52482,
    "c": 0.17097,
    "h": 12.7
  },
  "luminance": 0.12731
}

Semantic roles & 50–950 ramp

primary

#B7304E

secondary

#7BC8B7

accent

#E2BF46

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B7304E

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

Preview Lab → · Contrast checker → · Palette generator →