#B73A51#B73A51

#B73A51 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.160 H 13.7°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B73A51
RGB	rgb(183, 58, 81)
HSL	hsl(349, 52%, 47%)
HSV	hsv(349, 68%, 72%)
CMYK	cmyk(0%, 68.3%, 55.7%, 28.2%)
CIE-LAB	lab(43.79, 51.74, 15.19)
CIE-LCH	lch(43.79, 53.92, 16.36°)
OKLab	oklab(53.56% 0.1559 0.038)
OKLCH	oklch(53.56% 0.16 13.7)
XYZ	xyz(22.5288, 13.6905, 9.2392)
Luminance	0.1369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A51 #3AB7A0

analogous

#B73A90 #B73A51 #B7623A

triadic

#B73A51 #51B73A #3A51B7

tetradic

#B73A51 #90B73A #3AB7A0 #623AB7

square

#B73A51 #90B73A #3AB7A0 #623AB7

split-complementary

#B73A51 #3AB762 #3A90B7

monochromatic

#5A1D28 #892B3C #B73A51 #CD6175 #DC909E

Accessibility & contrast

On white

5.62

#B73A51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B73A51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A51

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A51	#FFFFFF	#000000	##FFFFFF
##B73A51	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595751

Deuteranopia (green-blind)

#79714E

Tritanopia (blue-blind)

#C82043

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73a51;
/* rgb */ color: rgb(183, 58, 81);
/* oklch */ color: oklch(53.6% 0.160 13.7);

Tailwind

colors: {
  custom: {
    50: '#d37881',
    500: '#b73a51',
    950: '#000000',
  },
}

SCSS

$custom: #b73a51;
$custom-light: #d37881;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a51",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 81
  },
  "hsl": {
    "h": 348.96,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53563,
    "c": 0.16048,
    "h": 13.7
  },
  "luminance": 0.13687
}

Semantic roles & 50–950 ramp

primary

#B73A51

secondary

#86C7BB

accent

#DBC14C

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B73A51

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

Preview Lab → · Contrast checker → · Palette generator →