#B73D3E#B73D3E

#B73D3E is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 23.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B73D3E
RGB	rgb(183, 61, 62)
HSL	hsl(360, 50%, 48%)
HSV	hsv(360, 67%, 72%)
CMYK	cmyk(0%, 66.7%, 66.1%, 28.2%)
CIE-LAB	lab(43.88, 49.21, 26.93)
CIE-LCH	lch(43.88, 56.09, 28.69°)
OKLab	oklab(53.52% 0.1445 0.0635)
OKLCH	oklch(53.52% 0.158 23.7)
XYZ	xyz(22.0689, 13.7557, 6.0495)
Luminance	0.1375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D3E #3DB7B6

analogous

#B73D7B #B73D3E #B7793D

triadic

#B73D3E #3EB73D #3D3EB7

tetradic

#B73D3E #7BB73D #3DB7B6 #793DB7

square

#B73D3E #7BB73D #3DB7B6 #793DB7

split-complementary

#B73D3E #3DB779 #3D7BB7

monochromatic

#5B1E1F #892E2E #B73D3E #CC6566 #DB9394

Accessibility & contrast

On white

5.60

#B73D3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B73D3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D3E

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D3E	#FFFFFF	#000000	##FFFFFF
##B73D3E	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E573D

Deuteranopia (green-blind)

#7C713B

Tritanopia (blue-blind)

#C91F3F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b73d3e;
/* rgb */ color: rgb(183, 61, 62);
/* oklch */ color: oklch(53.5% 0.158 23.7);

Tailwind

colors: {
  custom: {
    50: '#d47973',
    500: '#b73d3e',
    950: '#000000',
  },
}

SCSS

$custom: #b73d3e;
$custom-light: #d47973;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d3e",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 359.508,
    "s": 50,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53517,
    "c": 0.15783,
    "h": 23.7
  },
  "luminance": 0.13753
}

Semantic roles & 50–950 ramp

primary

#B73D3E

secondary

#89C6C6

accent

#DAD84E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B73D3E

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

Preview Lab → · Contrast checker → · Palette generator →