#B73A26#B73A26

#B73A26 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.165 H 31.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B73A26
RGB	rgb(183, 58, 38)
HSL	hsl(8, 66%, 43%)
HSV	hsv(8, 79%, 72%)
CMYK	cmyk(0%, 68.3%, 79.2%, 28.2%)
CIE-LAB	lab(43.12, 49.33, 39.81)
CIE-LCH	lch(43.12, 63.39, 38.90°)
OKLab	oklab(52.85% 0.14 0.0867)
OKLCH	oklch(52.85% 0.165 31.8)
XYZ	xyz(21.3938, 13.2365, 3.2618)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73A26 #26A3B7

analogous

#B7265A #B73A26 #B78226

triadic

#B73A26 #26B73A #3A26B7

tetradic

#B73A26 #5AB726 #26A3B7 #8226B7

square

#B73A26 #5AB726 #26A3B7 #8226B7

split-complementary

#B73A26 #26B782 #265AB7

monochromatic

#521A11 #842A1B #B73A26 #D85742 #E28475

Accessibility & contrast

On white

5.76

#B73A26 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B73A26 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73A26

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73A26	#FFFFFF	#000000	##FFFFFF
##B73A26	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5423

Deuteranopia (green-blind)

#7D7021

Tritanopia (blue-blind)

#CA1036

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b73a26;
/* rgb */ color: rgb(183, 58, 38);
/* oklch */ color: oklch(52.8% 0.165 31.8);

Tailwind

colors: {
  custom: {
    50: '#d57762',
    500: '#b73a26',
    950: '#000000',
  },
}

SCSS

$custom: #b73a26;
$custom-light: #d57762;
$custom-dark: #000000;

JSON

{
  "hex": "#b73a26",
  "rgb": {
    "r": 183,
    "g": 58,
    "b": 38
  },
  "hsl": {
    "h": 8.276,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52848,
    "c": 0.16464,
    "h": 31.8
  },
  "luminance": 0.13233
}

Semantic roles & 50–950 ramp

primary

#B73A26

secondary

#6FBDCA

accent

#D1E93F

background

#FEF7F5

surface

#FCEEEA

border

#D5C9C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B73A26

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

Preview Lab → · Contrast checker → · Palette generator →