#B5304F#B5304F

#B5304F is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.2% C 0.169 H 11.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B5304F
RGB	rgb(181, 48, 79)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 56.4%, 29%)
CIE-LAB	lab(42.01, 54.74, 13.95)
CIE-LCH	lch(42.01, 56.49, 14.30°)
OKLab	oklab(52.16% 0.1655 0.035)
OKLCH	oklch(52.16% 0.169 11.9)
XYZ	xyz(21.5263, 12.5052, 8.6759)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5304F #30B596

analogous

#B53092 #B5304F #B55330

triadic

#B5304F #4FB530 #304FB5

tetradic

#B5304F #92B530 #30B596 #5330B5

square

#B5304F #92B530 #30B596 #5330B5

split-complementary

#B5304F #30B553 #3092B5

monochromatic

#541625 #85233A #B5304F #D1516F #DE8297

Accessibility & contrast

On white

6.00

#B5304F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B5304F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5304F

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5304F	#FFFFFF	#000000	##FFFFFF
##B5304F	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524F

Deuteranopia (green-blind)

#756D4C

Tritanopia (blue-blind)

#C6093D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5304f;
/* rgb */ color: rgb(181, 48, 79);
/* oklch */ color: oklch(52.2% 0.169 11.9);

Tailwind

colors: {
  custom: {
    50: '#d27380',
    500: '#b5304f',
    950: '#000000',
  },
}

SCSS

$custom: #b5304f;
$custom-light: #d27380;
$custom-dark: #000000;

JSON

{
  "hex": "#b5304f",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 346.015,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5216,
    "c": 0.16911,
    "h": 11.9
  },
  "luminance": 0.12502
}

Semantic roles & 50–950 ramp

primary

#B5304F

secondary

#7AC7B5

accent

#E1BD46

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B5304F

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

Preview Lab → · Contrast checker → · Palette generator →