#B73A41#B73A41

#B73A41 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.161 H 21.4°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B73A41
RGB	rgb(183, 58, 65)
HSL	hsl(357, 52%, 47%)
HSV	hsv(357, 68%, 72%)
CMYK	cmyk(0%, 68.3%, 64.5%, 28.2%)
CIE-LAB	lab(43.48, 50.63, 24.61)
CIE-LCH	lch(43.48, 56.29, 25.92°)
OKLab	oklab(53.23% 0.1496 0.0587)
OKLCH	oklch(53.23% 0.161 21.4)
XYZ	xyz(21.9979, 13.4782, 6.4432)
Luminance	0.1348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A41 #3AB7B0

analogous

#B73A80 #B73A41 #B7723A

triadic

#B73A41 #41B73A #3A41B7

tetradic

#B73A41 #80B73A #3AB7B0 #723AB7

square

#B73A41 #80B73A #3AB7B0 #723AB7

split-complementary

#B73A41 #3AB772 #3A80B7

monochromatic

#5A1D20 #892B30 #B73A41 #CD6167 #DC9094

Accessibility & contrast

On white

5.68

#B73A41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B73A41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A41

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A41	#FFFFFF	#000000	##FFFFFF
##B73A41	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5640

Deuteranopia (green-blind)

#7B713E

Tritanopia (blue-blind)

#C91A3E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73a41;
/* rgb */ color: rgb(183, 58, 65);
/* oklch */ color: oklch(53.2% 0.161 21.4);

Tailwind

colors: {
  custom: {
    50: '#d47875',
    500: '#b73a41',
    950: '#000000',
  },
}

SCSS

$custom: #b73a41;
$custom-light: #d47875;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a41",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 65
  },
  "hsl": {
    "h": 356.64,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5323,
    "c": 0.16066,
    "h": 21.4
  },
  "luminance": 0.13475
}

Semantic roles & 50–950 ramp

primary

#B73A41

secondary

#86C7C3

accent

#DBD34C

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B73A41

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

Preview Lab → · Contrast checker → · Palette generator →