#B4304E#B4304E

#B4304E is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.168 H 12.3°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B4304E
RGB	rgb(180, 48, 78)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 71%)
CMYK	cmyk(0%, 73.3%, 56.7%, 29.4%)
CIE-LAB	lab(41.80, 54.36, 14.26)
CIE-LCH	lch(41.80, 56.20, 14.70°)
OKLab	oklab(51.96% 0.1642 0.0357)
OKLCH	oklch(51.96% 0.168 12.3)
XYZ	xyz(21.2565, 12.3703, 8.4746)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4304E #30B496

analogous

#B43090 #B4304E #B45430

triadic

#B4304E #4EB430 #304EB4

tetradic

#B4304E #90B430 #30B496 #5430B4

square

#B4304E #90B430 #30B496 #5430B4

split-complementary

#B4304E #30B454 #3090B4

monochromatic

#531624 #842339 #B4304E #D1516E #DD8196

Accessibility & contrast

On white

6.05

#B4304E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B4304E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4304E

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4304E	#FFFFFF	#000000	##FFFFFF
##B4304E	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52514E

Deuteranopia (green-blind)

#746C4B

Tritanopia (blue-blind)

#C50A3C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4304e;
/* rgb */ color: rgb(180, 48, 78);
/* oklch */ color: oklch(52.0% 0.168 12.3);

Tailwind

colors: {
  custom: {
    50: '#d1737f',
    500: '#b4304e',
    950: '#000000',
  },
}

SCSS

$custom: #b4304e;
$custom-light: #d1737f;
$custom-dark: #000000;

JSON

{
  "hex": "#b4304e",
  "rgb": {
    "r": 180,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 346.364,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51963,
    "c": 0.16805,
    "h": 12.3
  },
  "luminance": 0.12367
}

Semantic roles & 50–950 ramp

primary

#B4304E

secondary

#79C6B5

accent

#E1BE47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B4304E

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

Preview Lab → · Contrast checker → · Palette generator →