#B1323B#B1323B

#B1323B is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.163 H 21.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B1323B
RGB	rgb(177, 50, 59)
HSL	hsl(356, 56%, 45%)
HSV	hsv(356, 72%, 69%)
CMYK	cmyk(0%, 71.8%, 66.7%, 30.6%)
CIE-LAB	lab(41.13, 51.45, 25.08)
CIE-LCH	lch(41.13, 57.24, 25.99°)
OKLab	oklab(51.25% 0.1518 0.0592)
OKLCH	oklch(51.25% 0.163 21.3)
XYZ	xyz(20.0636, 11.9470, 5.3864)
Luminance	0.1194 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1323B #32B1A8

analogous

#B1327B #B1323B #B16932

triadic

#B1323B #3BB132 #323BB1

tetradic

#B1323B #7BB132 #32B1A8 #6932B1

square

#B1323B #7BB132 #32B1A8 #6932B1

split-complementary

#B1323B #32B169 #327BB1

monochromatic

#52171B #81252B #B1323B #CE525B #DC8288

Accessibility & contrast

On white

6.20

#B1323B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B1323B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1323B

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1323B	#FFFFFF	#000000	##FFFFFF
##B1323B	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)

#55503A

Deuteranopia (green-blind)

#756B37

Tritanopia (blue-blind)

#C20636

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b1323b;
/* rgb */ color: rgb(177, 50, 59);
/* oklch */ color: oklch(51.2% 0.163 21.3);

Tailwind

colors: {
  custom: {
    50: '#d07371',
    500: '#b1323b',
    950: '#000000',
  },
}

SCSS

$custom: #b1323b;
$custom-light: #d07371;
$custom-dark: #000000;

JSON

{
  "hex": "#b1323b",
  "rgb": {
    "r": 177,
    "g": 50,
    "b": 59
  },
  "hsl": {
    "h": 355.748,
    "s": 55.947,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51246,
    "c": 0.1629,
    "h": 21.3
  },
  "luminance": 0.11944
}

Semantic roles & 50–950 ramp

primary

#B1323B

secondary

#7AC5C0

accent

#DFD549

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B1323B

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

Preview Lab → · Contrast checker → · Palette generator →