#B73133#B73133

#B73133 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.171 H 24.7°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B73133
RGB	rgb(183, 49, 51)
HSL	hsl(359, 58%, 45%)
HSV	hsv(359, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 72.1%, 28.2%)
CIE-LAB	lab(42.01, 53.31, 31.24)
CIE-LCH	lch(42.01, 61.79, 30.37°)
OKLab	oklab(52.07% 0.1552 0.0713)
OKLCH	oklch(52.07% 0.171 24.7)
XYZ	xyz(21.2267, 12.5061, 4.4276)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73133 #31B7B5

analogous

#B73176 #B73133 #B77231

triadic

#B73133 #33B731 #3133B7

tetradic

#B73133 #76B731 #31B7B5 #7231B7

square

#B73133 #76B731 #31B7B5 #7231B7

split-complementary

#B73133 #31B772 #3176B7

monochromatic

#561718 #872426 #B73133 #D15456 #DE8486

Accessibility & contrast

On white

6.00

#B73133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B73133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73133

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73133	#FFFFFF	#000000	##FFFFFF
##B73133	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)

#585132

Deuteranopia (green-blind)

#796E2E

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b73133;
/* rgb */ color: rgb(183, 49, 51);
/* oklch */ color: oklch(52.1% 0.171 24.7);

Tailwind

colors: {
  custom: {
    50: '#d5736b',
    500: '#b73133',
    950: '#000000',
  },
}

SCSS

$custom: #b73133;
$custom-light: #d5736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b73133",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 359.104,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52067,
    "c": 0.17077,
    "h": 24.7
  },
  "luminance": 0.12503
}

Semantic roles & 50–950 ramp

primary

#B73133

secondary

#7CC8C6

accent

#E1DF47

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73133

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

Preview Lab → · Contrast checker → · Palette generator →