#B43747#B43747

#B43747 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.160 H 17.4°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B43747
RGB	rgb(180, 55, 71)
HSL	hsl(352, 53%, 46%)
HSV	hsv(352, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 60.6%, 29.4%)
CIE-LAB	lab(42.60, 51.24, 19.69)
CIE-LCH	lch(42.60, 54.89, 21.02°)
OKLab	oklab(52.51% 0.153 0.048)
OKLCH	oklch(52.51% 0.16 17.4)
XYZ	xyz(21.3280, 12.8936, 7.3257)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43747 #37B4A4

analogous

#B43785 #B43747 #B46537

triadic

#B43747 #47B437 #3747B4

tetradic

#B43747 #85B437 #37B4A4 #6537B4

square

#B43747 #85B437 #37B4A4 #6537B4

split-complementary

#B43747 #37B465 #3785B4

monochromatic

#561A22 #852935 #B43747 #CD5B6A #DB8A95

Accessibility & contrast

On white

5.87

#B43747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43747

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43747	#FFFFFF	#000000	##FFFFFF
##B43747	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585447

Deuteranopia (green-blind)

#786E44

Tritanopia (blue-blind)

#C5183E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43747;
/* rgb */ color: rgb(180, 55, 71);
/* oklch */ color: oklch(52.5% 0.160 17.4);

Tailwind

colors: {
  custom: {
    50: '#d1767a',
    500: '#b43747',
    950: '#000000',
  },
}

SCSS

$custom: #b43747;
$custom-light: #d1767a;
$custom-dark: #000000;

JSON

{
  "hex": "#b43747",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 352.32,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52514,
    "c": 0.16039,
    "h": 17.4
  },
  "luminance": 0.12891
}

Semantic roles & 50–950 ramp

primary

#B43747

secondary

#81C6BD

accent

#DDCA4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B43747

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

Preview Lab → · Contrast checker → · Palette generator →