#B0304C#B0304C

#B0304C is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.164 H 12.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B0304C
RGB	rgb(176, 48, 76)
HSL	hsl(347, 57%, 44%)
HSV	hsv(347, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 56.8%, 31%)
CIE-LAB	lab(41.01, 53.00, 14.31)
CIE-LCH	lch(41.01, 54.90, 15.11°)
OKLab	oklab(51.23% 0.16 0.0358)
OKLCH	oklch(51.23% 0.164 12.6)
XYZ	xyz(20.2679, 11.8687, 8.0597)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0304C #30B094

analogous

#B0308C #B0304C #B05430

triadic

#B0304C #4CB030 #304CB0

tetradic

#B0304C #8CB030 #30B094 #5430B0

square

#B0304C #8CB030 #30B094 #5430B0

split-complementary

#B0304C #30B054 #308CB0

monochromatic

#501622 #802337 #B0304C #CF4E6A #DC7E93

Accessibility & contrast

On white

6.23

#B0304C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B0304C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0304C

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0304C	#FFFFFF	#000000	##FFFFFF
##B0304C	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504C

Deuteranopia (green-blind)

#726A49

Tritanopia (blue-blind)

#C00D3B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0304c;
/* rgb */ color: rgb(176, 48, 76);
/* oklch */ color: oklch(51.2% 0.164 12.6);

Tailwind

colors: {
  custom: {
    50: '#ce727d',
    500: '#b0304c',
    950: '#000000',
  },
}

SCSS

$custom: #b0304c;
$custom-light: #ce727d;
$custom-dark: #000000;

JSON

{
  "hex": "#b0304c",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 76
  },
  "hsl": {
    "h": 346.875,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51225,
    "c": 0.16394,
    "h": 12.6
  },
  "luminance": 0.11866
}

Semantic roles & 50–950 ramp

primary

#B0304C

secondary

#77C5B4

accent

#E0BF47

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B0304C

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

Preview Lab → · Contrast checker → · Palette generator →