#B3304D#B3304D

#B3304D is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.8% C 0.167 H 12.6°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B3304D
RGB	rgb(179, 48, 77)
HSL	hsl(347, 58%, 45%)
HSV	hsv(347, 73%, 70%)
CMYK	cmyk(0%, 73.2%, 57%, 29.8%)
CIE-LAB	lab(41.59, 53.99, 14.57)
CIE-LCH	lch(41.59, 55.92, 15.10°)
OKLab	oklab(51.77% 0.163 0.0364)
OKLCH	oklch(51.77% 0.167 12.6)
XYZ	xyz(20.9889, 12.2364, 8.2764)
Luminance	0.1223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3304D #30B396

analogous

#B3308E #B3304D #B35530

triadic

#B3304D #4DB330 #304DB3

tetradic

#B3304D #8EB330 #30B396 #5530B3

square

#B3304D #8EB330 #30B396 #5530B3

split-complementary

#B3304D #30B355 #308EB3

monochromatic

#521623 #832338 #B3304D #D0506C #DD8095

Accessibility & contrast

On white

6.09

#B3304D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B3304D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3304D

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3304D	#FFFFFF	#000000	##FFFFFF
##B3304D	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)

#52514D

Deuteranopia (green-blind)

#746C4A

Tritanopia (blue-blind)

#C40A3C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b3304d;
/* rgb */ color: rgb(179, 48, 77);
/* oklch */ color: oklch(51.8% 0.167 12.6);

Tailwind

colors: {
  custom: {
    50: '#d0737e',
    500: '#b3304d',
    950: '#000000',
  },
}

SCSS

$custom: #b3304d;
$custom-light: #d0737e;
$custom-dark: #000000;

JSON

{
  "hex": "#b3304d",
  "rgb": {
    "r": 179,
    "g": 48,
    "b": 77
  },
  "hsl": {
    "h": 346.718,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51767,
    "c": 0.16698,
    "h": 12.6
  },
  "luminance": 0.12233
}

Semantic roles & 50–950 ramp

primary

#B3304D

secondary

#79C6B5

accent

#E1BF47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B3304D

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

Preview Lab → · Contrast checker → · Palette generator →