#B73038#B73038

#B73038 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.171 H 22.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B73038
RGB	rgb(183, 48, 56)
HSL	hsl(356, 58%, 45%)
HSV	hsv(356, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 69.4%, 28.2%)
CIE-LAB	lab(41.95, 53.91, 28.18)
CIE-LCH	lch(41.95, 60.83, 27.59°)
OKLab	oklab(52.05% 0.1582 0.0654)
OKLCH	oklch(52.05% 0.171 22.5)
XYZ	xyz(21.3016, 12.4699, 5.0259)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73038 #30B7AF

analogous

#B7307C #B73038 #B76B30

triadic

#B73038 #38B730 #3038B7

tetradic

#B73038 #7CB730 #30B7AF #6B30B7

square

#B73038 #7CB730 #30B7AF #6B30B7

split-complementary

#B73038 #30B76B #307CB7

monochromatic

#56171A #872329 #B73038 #D2525A #DE8388

Accessibility & contrast

On white

6.01

#B73038 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B73038 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73038

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73038	#FFFFFF	#000000	##FFFFFF
##B73038	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575137

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#C90034

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73038;
/* rgb */ color: rgb(183, 48, 56);
/* oklch */ color: oklch(52.0% 0.171 22.5);

Tailwind

colors: {
  custom: {
    50: '#d5736e',
    500: '#b73038',
    950: '#000000',
  },
}

SCSS

$custom: #b73038;
$custom-light: #d5736e;
$custom-dark: #000000;

JSON

{
  "hex": "#b73038",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 56
  },
  "hsl": {
    "h": 356.444,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52049,
    "c": 0.17115,
    "h": 22.5
  },
  "luminance": 0.12467
}

Semantic roles & 50–950 ramp

primary

#B73038

secondary

#7BC8C3

accent

#E2D846

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B73038

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

Preview Lab → · Contrast checker → · Palette generator →