#B5314D#B5314D

#B5314D is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.168 H 13.1°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B5314D
RGB	rgb(181, 49, 77)
HSL	hsl(347, 57%, 45%)
HSV	hsv(347, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 57.5%, 29%)
CIE-LAB	lab(42.09, 54.24, 15.32)
CIE-LCH	lch(42.09, 56.36, 15.77°)
OKLab	oklab(52.21% 0.1635 0.0381)
OKLCH	oklch(52.21% 0.168 13.1)
XYZ	xyz(21.4960, 12.5592, 8.3120)
Luminance	0.1256 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5314D #31B599

analogous

#B5318F #B5314D #B55731

triadic

#B5314D #4DB531 #314DB5

tetradic

#B5314D #8FB531 #31B599 #5731B5

square

#B5314D #8FB531 #31B599 #5731B5

split-complementary

#B5314D #31B557 #318FB5

monochromatic

#551724 #852439 #B5314D #D0536D #DD8396

Accessibility & contrast

On white

5.98

#B5314D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B5314D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5314D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5314D	#FFFFFF	#000000	##FFFFFF
##B5314D	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524D

Deuteranopia (green-blind)

#756D4A

Tritanopia (blue-blind)

#C60B3D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5314d;
/* rgb */ color: rgb(181, 49, 77);
/* oklch */ color: oklch(52.2% 0.168 13.1);

Tailwind

colors: {
  custom: {
    50: '#d2737e',
    500: '#b5314d',
    950: '#000000',
  },
}

SCSS

$custom: #b5314d;
$custom-light: #d2737e;
$custom-dark: #000000;

JSON

{
  "hex": "#b5314d",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 77
  },
  "hsl": {
    "h": 347.273,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52208,
    "c": 0.16792,
    "h": 13.1
  },
  "luminance": 0.12556
}

Semantic roles & 50–950 ramp

primary

#B5314D

secondary

#7BC7B7

accent

#E1C047

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B5314D

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

Preview Lab → · Contrast checker → · Palette generator →