#B4304F#B4304F

#B4304F is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.168 H 11.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B4304F
RGB	rgb(180, 48, 79)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 56.1%, 29.4%)
CIE-LAB	lab(41.82, 54.44, 13.67)
CIE-LCH	lch(41.82, 56.13, 14.09°)
OKLab	oklab(51.99% 0.1646 0.0343)
OKLCH	oklch(51.99% 0.168 11.8)
XYZ	xyz(21.2926, 12.3847, 8.6649)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4304F #30B495

analogous

#B43091 #B4304F #B45330

triadic

#B4304F #4FB430 #304FB4

tetradic

#B4304F #91B430 #30B495 #5330B4

square

#B4304F #91B430 #30B495 #5330B4

split-complementary

#B4304F #30B453 #3091B4

monochromatic

#531625 #84233A #B4304F #D1516F #DD8197

Accessibility & contrast

On white

6.04

#B4304F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B4304F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4304F

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4304F	#FFFFFF	#000000	##FFFFFF
##B4304F	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52514F

Deuteranopia (green-blind)

#746C4C

Tritanopia (blue-blind)

#C50B3D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4304f;
/* rgb */ color: rgb(180, 48, 79);
/* oklch */ color: oklch(52.0% 0.168 11.8);

Tailwind

colors: {
  custom: {
    50: '#d17380',
    500: '#b4304f',
    950: '#000000',
  },
}

SCSS

$custom: #b4304f;
$custom-light: #d17380;
$custom-dark: #000000;

JSON

{
  "hex": "#b4304f",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 79
  },
  "hsl": {
    "h": 345.909,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51987,
    "c": 0.16814,
    "h": 11.8
  },
  "luminance": 0.12382
}

Semantic roles & 50–950 ramp

primary

#B4304F

secondary

#79C6B4

accent

#E1BD47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B4304F

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

Preview Lab → · Contrast checker → · Palette generator →