#B2303A#B2303A

#B2303A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.166 H 21.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#B2303A
RGB	rgb(178, 48, 58)
HSL	hsl(355, 58%, 44%)
HSV	hsv(355, 73%, 70%)
CMYK	cmyk(0%, 73%, 67.4%, 30.2%)
CIE-LAB	lab(41.04, 52.45, 25.62)
CIE-LCH	lch(41.04, 58.37, 26.03°)
OKLab	oklab(51.2% 0.1546 0.0603)
OKLCH	oklch(51.2% 0.166 21.3)
XYZ	xyz(20.1829, 11.8874, 5.2339)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B2303A #30B2A8

analogous

#B2307B #B2303A #B26730

triadic

#B2303A #3AB230 #303AB2

tetradic

#B2303A #7BB230 #30B2A8 #6730B2

square

#B2303A #7BB230 #30B2A8 #6730B2

split-complementary

#B2303A #30B267 #307BB2

monochromatic

#52161B #82232A #B2303A #D05059 #DD8087

Accessibility & contrast

On white

6.22

#B2303A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B2303A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B2303A

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B2303A	#FFFFFF	#000000	##FFFFFF
##B2303A	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)

#554F39

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#C40035

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b2303a;
/* rgb */ color: rgb(178, 48, 58);
/* oklch */ color: oklch(51.2% 0.166 21.3);

Tailwind

colors: {
  custom: {
    50: '#d17270',
    500: '#b2303a',
    950: '#000000',
  },
}

SCSS

$custom: #b2303a;
$custom-light: #d17270;
$custom-dark: #000000;

JSON

{
  "hex": "#b2303a",
  "rgb": {
    "r": 178,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 355.385,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51204,
    "c": 0.16592,
    "h": 21.3
  },
  "luminance": 0.11884
}

Semantic roles & 50–950 ramp

primary

#B2303A

secondary

#78C6C0

accent

#E1D547

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B2303A

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

Preview Lab → · Contrast checker → · Palette generator →