#B73D2F#B73D2F

#B73D2F is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 29.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B73D2F
RGB	rgb(183, 61, 47)
HSL	hsl(6, 59%, 45%)
HSV	hsv(6, 74%, 72%)
CMYK	cmyk(0%, 66.7%, 74.3%, 28.2%)
CIE-LAB	lab(43.67, 48.44, 35.45)
CIE-LCH	lch(43.67, 60.03, 36.20°)
OKLab	oklab(53.3% 0.139 0.0796)
OKLCH	oklch(53.3% 0.16 29.8)
XYZ	xyz(21.7127, 13.6132, 4.1731)
Luminance	0.1361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D2F #2FA9B7

analogous

#B72F65 #B73D2F #B7812F

triadic

#B73D2F #2FB73D #3D2FB7

tetradic

#B73D2F #65B72F #2FA9B7 #812FB7

square

#B73D2F #65B72F #2FA9B7 #812FB7

split-complementary

#B73D2F #2FB781 #2F65B7

monochromatic

#561D16 #862D22 #B73D2F #D25E51 #DF8B82

Accessibility & contrast

On white

5.64

#B73D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D2F

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D2F	#FFFFFF	#000000	##FFFFFF
##B73D2F	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562D

Deuteranopia (green-blind)

#7E712B

Tritanopia (blue-blind)

#C91A3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d2f;
/* rgb */ color: rgb(183, 61, 47);
/* oklch */ color: oklch(53.3% 0.160 29.8);

Tailwind

colors: {
  custom: {
    50: '#d57968',
    500: '#b73d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b73d2f;
$custom-light: #d57968;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d2f",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 6.176,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53295,
    "c": 0.16018,
    "h": 29.8
  },
  "luminance": 0.1361
}

Semantic roles & 50–950 ramp

primary

#B73D2F

secondary

#7AC0C8

accent

#D2E245

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D2F

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

Preview Lab → · Contrast checker → · Palette generator →