#B3304E#B3304E

#B3304E is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.167 H 12.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B3304E
RGB	rgb(179, 48, 78)
HSL	hsl(346, 58%, 45%)
HSV	hsv(346, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 56.4%, 29.8%)
CIE-LAB	lab(41.61, 54.06, 13.97)
CIE-LCH	lch(41.61, 55.84, 14.49°)
OKLab	oklab(51.79% 0.1634 0.035)
OKLCH	oklch(51.79% 0.167 12.1)
XYZ	xyz(21.0245, 12.2506, 8.4638)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3304E #30B395

analogous

#B3308F #B3304E #B35430

triadic

#B3304E #4EB330 #304EB3

tetradic

#B3304E #8FB330 #30B395 #5430B3

square

#B3304E #8FB330 #30B395 #5430B3

split-complementary

#B3304E #30B354 #308FB3

monochromatic

#521624 #832339 #B3304E #D0506D #DD8096

Accessibility & contrast

On white

6.09

#B3304E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B3304E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3304E

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3304E	#FFFFFF	#000000	##FFFFFF
##B3304E	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52514E

Deuteranopia (green-blind)

#746C4B

Tritanopia (blue-blind)

#C40B3C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3304e;
/* rgb */ color: rgb(179, 48, 78);
/* oklch */ color: oklch(51.8% 0.167 12.1);

Tailwind

colors: {
  custom: {
    50: '#d0737f',
    500: '#b3304e',
    950: '#000000',
  },
}

SCSS

$custom: #b3304e;
$custom-light: #d0737f;
$custom-dark: #000000;

JSON

{
  "hex": "#b3304e",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 78
  },
  "hsl": {
    "h": 346.26,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51791,
    "c": 0.16707,
    "h": 12.1
  },
  "luminance": 0.12248
}

Semantic roles & 50–950 ramp

primary

#B3304E

secondary

#79C6B4

accent

#E1BE47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B3304E

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

Preview Lab → · Contrast checker → · Palette generator →