#B03147#B03147

#B03147 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.163 H 15.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B03147
RGB	rgb(176, 49, 71)
HSL	hsl(350, 56%, 44%)
HSV	hsv(350, 72%, 69%)
CMYK	cmyk(0%, 72.2%, 59.7%, 31%)
CIE-LAB	lab(41.03, 52.27, 17.48)
CIE-LCH	lch(41.03, 55.12, 18.49°)
OKLab	oklab(51.21% 0.1568 0.043)
OKLCH	oklch(51.21% 0.163 15.3)
XYZ	xyz(20.1421, 11.8845, 7.1933)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03147 #31B09A

analogous

#B03187 #B03147 #B05B31

triadic

#B03147 #47B031 #3147B0

tetradic

#B03147 #87B031 #31B09A #5B31B0

square

#B03147 #87B031 #31B09A #5B31B0

split-complementary

#B03147 #31B05B #3187B0

monochromatic

#501620 #802434 #B03147 #CE5066 #DC8090

Accessibility & contrast

On white

6.22

#B03147 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B03147 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03147

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03147	#FFFFFF	#000000	##FFFFFF
##B03147	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535047

Deuteranopia (green-blind)

#736A44

Tritanopia (blue-blind)

#C10C3A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03147;
/* rgb */ color: rgb(176, 49, 71);
/* oklch */ color: oklch(51.2% 0.163 15.3);

Tailwind

colors: {
  custom: {
    50: '#ce737a',
    500: '#b03147',
    950: '#000000',
  },
}

SCSS

$custom: #b03147;
$custom-light: #ce737a;
$custom-dark: #000000;

JSON

{
  "hex": "#b03147",
  "rgb": {
    "r": 176,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 349.606,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51209,
    "c": 0.1626,
    "h": 15.3
  },
  "luminance": 0.11882
}

Semantic roles & 50–950 ramp

primary

#B03147

secondary

#78C5B7

accent

#E0C548

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03147

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

Preview Lab → · Contrast checker → · Palette generator →