#B1323A#B1323A

#B1323A is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.163 H 21.8°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B1323A
RGB	rgb(177, 50, 58)
HSL	hsl(356, 56%, 45%)
HSV	hsv(356, 72%, 69%)
CMYK	cmyk(0%, 71.8%, 67.2%, 30.6%)
CIE-LAB	lab(41.12, 51.40, 25.68)
CIE-LCH	lch(41.12, 57.45, 26.55°)
OKLab	oklab(51.23% 0.1514 0.0604)
OKLCH	oklch(51.23% 0.163 21.8)
XYZ	xyz(20.0379, 11.9368, 5.2511)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1323A #32B1A9

analogous

#B1327A #B1323A #B16932

triadic

#B1323A #3AB132 #323AB1

tetradic

#B1323A #7AB132 #32B1A9 #6932B1

square

#B1323A #7AB132 #32B1A9 #6932B1

split-complementary

#B1323A #32B169 #327AB1

monochromatic

#52171B #81252A #B1323A #CE525A #DC8287

Accessibility & contrast

On white

6.20

#B1323A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B1323A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1323A

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1323A	#FFFFFF	#000000	##FFFFFF
##B1323A	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555039

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#C20536

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1323a;
/* rgb */ color: rgb(177, 50, 58);
/* oklch */ color: oklch(51.2% 0.163 21.8);

Tailwind

colors: {
  custom: {
    50: '#d07370',
    500: '#b1323a',
    950: '#000000',
  },
}

SCSS

$custom: #b1323a;
$custom-light: #d07370;
$custom-dark: #000000;

JSON

{
  "hex": "#b1323a",
  "rgb": {
    "r": 177,
    "g": 50,
    "b": 58
  },
  "hsl": {
    "h": 356.22,
    "s": 55.947,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51228,
    "c": 0.16297,
    "h": 21.8
  },
  "luminance": 0.11934
}

Semantic roles & 50–950 ramp

primary

#B1323A

secondary

#7AC5C0

accent

#DFD649

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B1323A

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

Preview Lab → · Contrast checker → · Palette generator →