#B4314B#B4314B

#B4314B is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.167 H 13.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B4314B
RGB	rgb(180, 49, 75)
HSL	hsl(348, 57%, 45%)
HSV	hsv(348, 73%, 71%)
CMYK	cmyk(0%, 72.8%, 58.3%, 29.4%)
CIE-LAB	lab(41.86, 53.79, 16.22)
CIE-LCH	lch(41.86, 56.18, 16.78°)
OKLab	oklab(51.99% 0.1619 0.0402)
OKLCH	oklch(51.99% 0.167 13.9)
XYZ	xyz(21.1928, 12.4109, 7.9348)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4314B #31B49A

analogous

#B4318C #B4314B #B45931

triadic

#B4314B #4BB431 #314BB4

tetradic

#B4314B #8CB431 #31B49A #5931B4

square

#B4314B #8CB431 #31B49A #5931B4

split-complementary

#B4314B #31B459 #318CB4

monochromatic

#541723 #842437 #B4314B #D0526B #DD8294

Accessibility & contrast

On white

6.03

#B4314B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B4314B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4314B

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4314B	#FFFFFF	#000000	##FFFFFF
##B4314B	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524B

Deuteranopia (green-blind)

#756D48

Tritanopia (blue-blind)

#C50A3C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4314b;
/* rgb */ color: rgb(180, 49, 75);
/* oklch */ color: oklch(52.0% 0.167 13.9);

Tailwind

colors: {
  custom: {
    50: '#d1737d',
    500: '#b4314b',
    950: '#000000',
  },
}

SCSS

$custom: #b4314b;
$custom-light: #d1737d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4314b",
  "rgb": {
    "r": 180,
    "g": 49,
    "b": 75
  },
  "hsl": {
    "h": 348.092,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51989,
    "c": 0.16679,
    "h": 13.9
  },
  "luminance": 0.12408
}

Semantic roles & 50–950 ramp

primary

#B4314B

secondary

#7BC6B7

accent

#E0C247

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B4314B

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

Preview Lab → · Contrast checker → · Palette generator →