#B0304A#B0304A

#B0304A is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.164 H 13.6°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#B0304A
RGB	rgb(176, 48, 74)
HSL	hsl(348, 57%, 44%)
HSV	hsv(348, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 58%, 31%)
CIE-LAB	lab(40.96, 52.85, 15.51)
CIE-LCH	lch(40.96, 55.08, 16.35°)
OKLab	oklab(51.18% 0.1592 0.0385)
OKLCH	oklch(51.18% 0.164 13.6)
XYZ	xyz(20.1994, 11.8413, 7.6992)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0304A #30B096

analogous

#B0308A #B0304A #B05630

triadic

#B0304A #4AB030 #304AB0

tetradic

#B0304A #8AB030 #30B096 #5630B0

square

#B0304A #8AB030 #30B096 #5630B0

split-complementary

#B0304A #30B056 #308AB0

monochromatic

#501622 #802336 #B0304A #CF4E68 #DC7E91

Accessibility & contrast

On white

6.24

#B0304A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B0304A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0304A

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0304A	#FFFFFF	#000000	##FFFFFF
##B0304A	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504A

Deuteranopia (green-blind)

#726A47

Tritanopia (blue-blind)

#C10C3B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0304a;
/* rgb */ color: rgb(176, 48, 74);
/* oklch */ color: oklch(51.2% 0.164 13.6);

Tailwind

colors: {
  custom: {
    50: '#ce727c',
    500: '#b0304a',
    950: '#000000',
  },
}

SCSS

$custom: #b0304a;
$custom-light: #ce727c;
$custom-dark: #000000;

JSON

{
  "hex": "#b0304a",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 347.813,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51178,
    "c": 0.16378,
    "h": 13.6
  },
  "luminance": 0.11838
}

Semantic roles & 50–950 ramp

primary

#B0304A

secondary

#77C5B5

accent

#E0C147

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B0304A

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

Preview Lab → · Contrast checker → · Palette generator →