#B43744#B43744

#B43744 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.160 H 18.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B43744
RGB	rgb(180, 55, 68)
HSL	hsl(354, 53%, 46%)
HSV	hsv(354, 69%, 71%)
CMYK	cmyk(0%, 69.4%, 62.2%, 29.4%)
CIE-LAB	lab(42.55, 51.04, 21.47)
CIE-LCH	lch(42.55, 55.37, 22.81°)
OKLab	oklab(52.45% 0.1518 0.0519)
OKLCH	oklch(52.45% 0.16 18.9)
XYZ	xyz(21.2341, 12.8560, 6.8311)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43744 #37B4A7

analogous

#B43782 #B43744 #B46837

triadic

#B43744 #44B437 #3744B4

tetradic

#B43744 #82B437 #37B4A7 #6837B4

square

#B43744 #82B437 #37B4A7 #6837B4

split-complementary

#B43744 #37B468 #3782B4

monochromatic

#561A21 #852932 #B43744 #CD5B67 #DB8A93

Accessibility & contrast

On white

5.88

#B43744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B43744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43744

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43744	#FFFFFF	#000000	##FFFFFF
##B43744	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585444

Deuteranopia (green-blind)

#786E41

Tritanopia (blue-blind)

#C5173D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b43744;
/* rgb */ color: rgb(180, 55, 68);
/* oklch */ color: oklch(52.5% 0.160 18.9);

Tailwind

colors: {
  custom: {
    50: '#d17677',
    500: '#b43744',
    950: '#000000',
  },
}

SCSS

$custom: #b43744;
$custom-light: #d17677;
$custom-dark: #000000;

JSON

{
  "hex": "#b43744",
  "rgb": {
    "r": 180,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 353.76,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52453,
    "c": 0.16046,
    "h": 18.9
  },
  "luminance": 0.12853
}

Semantic roles & 50–950 ramp

primary

#B43744

secondary

#81C6BE

accent

#DDCD4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B43744

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

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