#B0304F#B0304F

#B0304F is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.164 H 11.1°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B0304F
RGB	rgb(176, 48, 79)
HSL	hsl(345, 57%, 44%)
HSV	hsv(345, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 55.1%, 31%)
CIE-LAB	lab(41.08, 53.23, 12.52)
CIE-LCH	lch(41.08, 54.68, 13.24°)
OKLab	oklab(51.3% 0.1612 0.0316)
OKLCH	oklch(51.3% 0.164 11.1)
XYZ	xyz(20.3746, 11.9114, 8.6219)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0304F #30B091

analogous

#B0308F #B0304F #B05130

triadic

#B0304F #4FB030 #304FB0

tetradic

#B0304F #8FB030 #30B091 #5130B0

square

#B0304F #8FB030 #30B091 #5130B0

split-complementary

#B0304F #30B051 #308FB0

monochromatic

#501624 #802339 #B0304F #CF4E6D #DC7E95

Accessibility & contrast

On white

6.21

#B0304F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B0304F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0304F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0304F	#FFFFFF	#000000	##FFFFFF
##B0304F	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50504F

Deuteranopia (green-blind)

#726A4C

Tritanopia (blue-blind)

#C0103D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b0304f;
/* rgb */ color: rgb(176, 48, 79);
/* oklch */ color: oklch(51.3% 0.164 11.1);

Tailwind

colors: {
  custom: {
    50: '#ce7280',
    500: '#b0304f',
    950: '#000000',
  },
}

SCSS

$custom: #b0304f;
$custom-light: #ce7280;
$custom-dark: #000000;

JSON

{
  "hex": "#b0304f",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 345.469,
    "s": 57.143,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51298,
    "c": 0.16424,
    "h": 11.1
  },
  "luminance": 0.11909
}

Semantic roles & 50–950 ramp

primary

#B0304F

secondary

#77C5B2

accent

#E0BB47

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B0304F

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

Preview Lab → · Contrast checker → · Palette generator →