#B43751#B43751

#B43751 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.161 H 12.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B43751
RGB	rgb(180, 55, 81)
HSL	hsl(348, 53%, 46%)
HSV	hsv(348, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 55%, 29.4%)
CIE-LAB	lab(42.81, 51.98, 13.78)
CIE-LCH	lch(42.81, 53.77, 14.84°)
OKLab	oklab(52.74% 0.157 0.0346)
OKLCH	oklch(52.74% 0.161 12.4)
XYZ	xyz(21.6758, 13.0327, 9.1571)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43751 #37B49A

analogous

#B4378F #B43751 #B45B37

triadic

#B43751 #51B437 #3751B4

tetradic

#B43751 #8FB437 #37B49A #5B37B4

square

#B43751 #8FB437 #37B49A #5B37B4

split-complementary

#B43751 #37B45B #378FB4

monochromatic

#561A27 #85293C #B43751 #CD5B73 #DB8A9B

Accessibility & contrast

On white

5.82

#B43751 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B43751 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43751

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43751	#FFFFFF	#000000	##FFFFFF
##B43751	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565551

Deuteranopia (green-blind)

#766E4E

Tritanopia (blue-blind)

#C51C41

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43751;
/* rgb */ color: rgb(180, 55, 81);
/* oklch */ color: oklch(52.7% 0.161 12.4);

Tailwind

colors: {
  custom: {
    50: '#d07681',
    500: '#b43751',
    950: '#000000',
  },
}

SCSS

$custom: #b43751;
$custom-light: #d07681;
$custom-dark: #000000;

JSON

{
  "hex": "#b43751",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 347.52,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52738,
    "c": 0.16078,
    "h": 12.4
  },
  "luminance": 0.1303
}

Semantic roles & 50–950 ramp

primary

#B43751

secondary

#81C6B7

accent

#DDBE4B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B43751

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

Preview Lab → · Contrast checker → · Palette generator →