#B73033#B73033

#B73033 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.172 H 24.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B73033
RGB	rgb(183, 48, 51)
HSL	hsl(359, 58%, 45%)
HSV	hsv(359, 74%, 72%)
CMYK	cmyk(0%, 73.8%, 72.1%, 28.2%)
CIE-LAB	lab(41.88, 53.67, 31.09)
CIE-LCH	lch(41.88, 62.02, 30.08°)
OKLab	oklab(51.97% 0.1563 0.071)
OKLCH	oklch(51.97% 0.172 24.4)
XYZ	xyz(21.1853, 12.4234, 4.4138)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73033 #30B7B4

analogous

#B73076 #B73033 #B77130

triadic

#B73033 #33B730 #3033B7

tetradic

#B73033 #76B730 #30B7B4 #7130B7

square

#B73033 #76B730 #30B7B4 #7130B7

split-complementary

#B73033 #30B771 #3076B7

monochromatic

#561718 #872325 #B73033 #D25255 #DE8385

Accessibility & contrast

On white

6.03

#B73033 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B73033 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73033

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73033	#FFFFFF	#000000	##FFFFFF
##B73033	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575032

Deuteranopia (green-blind)

#796D2E

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73033;
/* rgb */ color: rgb(183, 48, 51);
/* oklch */ color: oklch(52.0% 0.172 24.4);

Tailwind

colors: {
  custom: {
    50: '#d5736b',
    500: '#b73033',
    950: '#000000',
  },
}

SCSS

$custom: #b73033;
$custom-light: #d5736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73033",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 51
  },
  "hsl": {
    "h": 358.667,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51972,
    "c": 0.17166,
    "h": 24.4
  },
  "luminance": 0.1242
}

Semantic roles & 50–950 ramp

primary

#B73033

secondary

#7BC8C6

accent

#E2DE46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73033

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

Preview Lab → · Contrast checker → · Palette generator →