#B73B2E#B73B2E

#B73B2E is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.162 H 29.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B73B2E
RGB	rgb(183, 59, 46)
HSL	hsl(6, 60%, 45%)
HSV	hsv(6, 75%, 72%)
CMYK	cmyk(0%, 67.8%, 74.9%, 28.2%)
CIE-LAB	lab(43.35, 49.23, 35.66)
CIE-LCH	lch(43.35, 60.79, 35.92°)
OKLab	oklab(53.05% 0.1413 0.0799)
OKLCH	oklch(53.05% 0.162 29.5)
XYZ	xyz(21.5879, 13.3956, 4.0331)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73B2E #2EAAB7

analogous

#B72E66 #B73B2E #B77F2E

triadic

#B73B2E #2EB73B #3B2EB7

tetradic

#B73B2E #66B72E #2EAAB7 #7F2EB7

square

#B73B2E #66B72E #2EAAB7 #7F2EB7

split-complementary

#B73B2E #2EB77F #2E66B7

monochromatic

#551B15 #862B22 #B73B2E #D35C4F #DF8980

Accessibility & contrast

On white

5.71

#B73B2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B73B2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73B2E

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73B2E	#FFFFFF	#000000	##FFFFFF
##B73B2E	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552C

Deuteranopia (green-blind)

#7D702A

Tritanopia (blue-blind)

#C91539

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73b2e;
/* rgb */ color: rgb(183, 59, 46);
/* oklch */ color: oklch(53.1% 0.162 29.5);

Tailwind

colors: {
  custom: {
    50: '#d57867',
    500: '#b73b2e',
    950: '#000000',
  },
}

SCSS

$custom: #b73b2e;
$custom-light: #d57867;
$custom-dark: #000000;

JSON

{
  "hex": "#b73b2e",
  "rgb": {
    "r": 183,
    "g": 59,
    "b": 46
  },
  "hsl": {
    "h": 5.693,
    "s": 59.825,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53052,
    "c": 0.16227,
    "h": 29.5
  },
  "luminance": 0.13392
}

Semantic roles & 50–950 ramp

primary

#B73B2E

secondary

#79C0C8

accent

#D4E345

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73B2E

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

Preview Lab → · Contrast checker → · Palette generator →