#B7304D#B7304D

#B7304D is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.5% C 0.171 H 13.2°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B7304D
RGB	rgb(183, 48, 77)
HSL	hsl(347, 58%, 45%)
HSV	hsv(347, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 57.9%, 28.2%)
CIE-LAB	lab(42.34, 55.20, 15.71)
CIE-LCH	lch(42.34, 57.39, 15.89°)
OKLab	oklab(52.46% 0.1664 0.039)
OKLCH	oklch(52.46% 0.171 13.2)
XYZ	xyz(21.9271, 12.7201, 8.3204)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B7304D #30B79A

analogous

#B73091 #B7304D #B75630

triadic

#B7304D #4DB730 #304DB7

tetradic

#B7304D #91B730 #30B79A #5630B7

square

#B7304D #91B730 #30B79A #5630B7

split-complementary

#B7304D #30B756 #3091B7

monochromatic

#561724 #872339 #B7304D #D2526E #DE8397

Accessibility & contrast

On white

5.93

#B7304D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B7304D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B7304D

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B7304D	#FFFFFF	#000000	##FFFFFF
##B7304D	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)

#54524D

Deuteranopia (green-blind)

#766E4A

Tritanopia (blue-blind)

#C8043C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b7304d;
/* rgb */ color: rgb(183, 48, 77);
/* oklch */ color: oklch(52.5% 0.171 13.2);

Tailwind

colors: {
  custom: {
    50: '#d3737e',
    500: '#b7304d',
    950: '#000000',
  },
}

SCSS

$custom: #b7304d;
$custom-light: #d3737e;
$custom-dark: #000000;

JSON

{
  "hex": "#b7304d",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 347.111,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52459,
    "c": 0.17088,
    "h": 13.2
  },
  "luminance": 0.12717
}

Semantic roles & 50–950 ramp

primary

#B7304D

secondary

#7BC8B7

accent

#E2C046

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B7304D

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

Preview Lab → · Contrast checker → · Palette generator →