#B03228#B03228

#B03228 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.164 H 28.8°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#B03228
RGB	rgb(176, 50, 40)
HSL	hsl(4, 63%, 42%)
HSV	hsv(4, 77%, 69%)
CMYK	cmyk(0%, 71.6%, 77.3%, 31%)
CIE-LAB	lab(40.68, 50.22, 35.78)
CIE-LCH	lch(40.68, 61.66, 35.47°)
OKLab	oklab(50.79% 0.1439 0.079)
OKLCH	oklch(50.79% 0.164 28.8)
XYZ	xyz(19.4303, 11.6675, 3.2360)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B03228 #28A6B0

analogous

#B02862 #B03228 #B07628

triadic

#B03228 #28B032 #3228B0

tetradic

#B03228 #62B028 #28A6B0 #7628B0

square

#B03228 #62B028 #28A6B0 #7628B0

split-complementary

#B03228 #28B076 #2862B0

monochromatic

#4C1611 #7E241D #B03228 #D44C41 #DF7B73

Accessibility & contrast

On white

6.30

#B03228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#B03228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B03228

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B03228	#FFFFFF	#000000	##FFFFFF
##B03228	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E26

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#C20031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b03228;
/* rgb */ color: rgb(176, 50, 40);
/* oklch */ color: oklch(50.8% 0.164 28.8);

Tailwind

colors: {
  custom: {
    50: '#d07263',
    500: '#b03228',
    950: '#000000',
  },
}

SCSS

$custom: #b03228;
$custom-light: #d07263;
$custom-dark: #000000;

JSON

{
  "hex": "#b03228",
  "rgb": {
    "r": 176,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.412,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50793,
    "c": 0.16421,
    "h": 28.8
  },
  "luminance": 0.11665
}

Semantic roles & 50–950 ramp

primary

#B03228

secondary

#6DC0C6

accent

#DAE642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B03228

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

Preview Lab → · Contrast checker → · Palette generator →