#B03347#B03347

#B03347 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.161 H 15.8°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B03347
RGB	rgb(176, 51, 71)
HSL	hsl(350, 55%, 45%)
HSV	hsv(350, 71%, 69%)
CMYK	cmyk(0%, 71%, 59.7%, 31%)
CIE-LAB	lab(41.30, 51.52, 17.84)
CIE-LCH	lch(41.30, 54.52, 19.10°)
OKLab	oklab(51.41% 0.1544 0.0438)
OKLCH	oklch(51.41% 0.161 15.8)
XYZ	xyz(20.2276, 12.0555, 7.2218)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03347 #33B09C

analogous

#B03386 #B03347 #B05E33

triadic

#B03347 #47B033 #3347B0

tetradic

#B03347 #86B033 #33B09C #5E33B0

square

#B03347 #86B033 #33B09C #5E33B0

split-complementary

#B03347 #33B05E #3386B0

monochromatic

#511821 #812534 #B03347 #CD5367 #DB8291

Accessibility & contrast

On white

6.16

#B03347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B03347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03347

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03347	#FFFFFF	#000000	##FFFFFF
##B03347	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545147

Deuteranopia (green-blind)

#746B44

Tritanopia (blue-blind)

#C1123B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b03347;
/* rgb */ color: rgb(176, 51, 71);
/* oklch */ color: oklch(51.4% 0.161 15.8);

Tailwind

colors: {
  custom: {
    50: '#ce747a',
    500: '#b03347',
    950: '#000000',
  },
}

SCSS

$custom: #b03347;
$custom-light: #ce747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b03347",
  "rgb": {
    "r": 176,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 350.4,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51411,
    "c": 0.1605,
    "h": 15.8
  },
  "luminance": 0.12053
}

Semantic roles & 50–950 ramp

primary

#B03347

secondary

#7BC4B8

accent

#DEC749

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B03347

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

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