#B0304D#B0304D

#B0304D is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.164 H 12.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B0304D
RGB	rgb(176, 48, 77)
HSL	hsl(346, 57%, 44%)
HSV	hsv(346, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 56.2%, 31%)
CIE-LAB	lab(41.03, 53.07, 13.72)
CIE-LCH	lch(41.03, 54.82, 14.49°)
OKLab	oklab(51.25% 0.1604 0.0344)
OKLCH	oklch(51.25% 0.164 12.1)
XYZ	xyz(20.3029, 11.8827, 8.2442)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0304D #30B093

analogous

#B0308D #B0304D #B05330

triadic

#B0304D #4DB030 #304DB0

tetradic

#B0304D #8DB030 #30B093 #5330B0

square

#B0304D #8DB030 #30B093 #5330B0

split-complementary

#B0304D #30B053 #308DB0

monochromatic

#501623 #802338 #B0304D #CF4E6B #DC7E94

Accessibility & contrast

On white

6.22

#B0304D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B0304D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0304D

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0304D	#FFFFFF	#000000	##FFFFFF
##B0304D	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504D

Deuteranopia (green-blind)

#726A4A

Tritanopia (blue-blind)

#C00E3C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0304d;
/* rgb */ color: rgb(176, 48, 77);
/* oklch */ color: oklch(51.2% 0.164 12.1);

Tailwind

colors: {
  custom: {
    50: '#ce727e',
    500: '#b0304d',
    950: '#000000',
  },
}

SCSS

$custom: #b0304d;
$custom-light: #ce727e;
$custom-dark: #000000;

JSON

{
  "hex": "#b0304d",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 346.406,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51249,
    "c": 0.16402,
    "h": 12.1
  },
  "luminance": 0.1188
}

Semantic roles & 50–950 ramp

primary

#B0304D

secondary

#77C5B3

accent

#E0BE47

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B0304D

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

Preview Lab → · Contrast checker → · Palette generator →