#B73227#B73227

#B73227 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.172 H 29.1°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B73227
RGB	rgb(183, 50, 39)
HSL	hsl(5, 65%, 44%)
HSV	hsv(5, 79%, 72%)
CMYK	cmyk(0%, 72.7%, 78.7%, 28.2%)
CIE-LAB	lab(42.00, 52.46, 38.12)
CIE-LCH	lch(42.00, 64.85, 36.00°)
OKLab	oklab(52.01% 0.15 0.0833)
OKLCH	oklch(52.01% 0.172 29.1)
XYZ	xyz(21.0377, 12.4982, 3.2237)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73227 #27ACB7

analogous

#B72764 #B73227 #B77A27

triadic

#B73227 #27B732 #3227B7

tetradic

#B73227 #64B727 #27ACB7 #7A27B7

square

#B73227 #64B727 #27ACB7 #7A27B7

split-complementary

#B73227 #27B77A #2764B7

monochromatic

#521611 #85241C #B73227 #D74F44 #E27F76

Accessibility & contrast

On white

6.00

#B73227 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B73227 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73227

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73227	#FFFFFF	#000000	##FFFFFF
##B73227	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5124

Deuteranopia (green-blind)

#7B6E21

Tritanopia (blue-blind)

#CA0031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73227;
/* rgb */ color: rgb(183, 50, 39);
/* oklch */ color: oklch(52.0% 0.172 29.1);

Tailwind

colors: {
  custom: {
    50: '#d67362',
    500: '#b73227',
    950: '#000000',
  },
}

SCSS

$custom: #b73227;
$custom-light: #d67362;
$custom-dark: #000000;

JSON

{
  "hex": "#b73227",
  "rgb": {
    "r": 183,
    "g": 50,
    "b": 39
  },
  "hsl": {
    "h": 4.583,
    "s": 64.865,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52013,
    "c": 0.17154,
    "h": 29.1
  },
  "luminance": 0.12495
}

Semantic roles & 50–950 ramp

primary

#B73227

secondary

#70C3C9

accent

#DBE840

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B73227

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

Preview Lab → · Contrast checker → · Palette generator →