#B73928#B73928

#B73928 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.165 H 30.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B73928
RGB	rgb(183, 57, 40)
HSL	hsl(7, 64%, 44%)
HSV	hsv(7, 78%, 72%)
CMYK	cmyk(0%, 68.9%, 78.1%, 28.2%)
CIE-LAB	lab(42.99, 49.81, 38.60)
CIE-LCH	lch(42.99, 63.02, 37.78°)
OKLab	oklab(52.76% 0.1419 0.0846)
OKLCH	oklch(52.76% 0.165 30.8)
XYZ	xyz(21.3770, 13.1499, 3.4196)
Luminance	0.1315 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73928 #28A6B7

analogous

#B7285E #B73928 #B78028

triadic

#B73928 #28B739 #3928B7

tetradic

#B73928 #5EB728 #28A6B7 #8028B7

square

#B73928 #5EB728 #28A6B7 #8028B7

split-complementary

#B73928 #28B780 #285EB7

monochromatic

#531A12 #85291D #B73928 #D65746 #E18478

Accessibility & contrast

On white

5.79

#B73928 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B73928 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73928

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73928	#FFFFFF	#000000	##FFFFFF
##B73928	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5425

Deuteranopia (green-blind)

#7D7023

Tritanopia (blue-blind)

#CA0D36

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b73928;
/* rgb */ color: rgb(183, 57, 40);
/* oklch */ color: oklch(52.8% 0.165 30.8);

Tailwind

colors: {
  custom: {
    50: '#d57763',
    500: '#b73928',
    950: '#000000',
  },
}

SCSS

$custom: #b73928;
$custom-light: #d57763;
$custom-dark: #000000;

JSON

{
  "hex": "#b73928",
  "rgb": {
    "r": 183,
    "g": 57,
    "b": 40
  },
  "hsl": {
    "h": 7.133,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52757,
    "c": 0.16519,
    "h": 30.8
  },
  "luminance": 0.13147
}

Semantic roles & 50–950 ramp

primary

#B73928

secondary

#72BFC9

accent

#D3E741

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B73928

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

Preview Lab → · Contrast checker → · Palette generator →