#B73D30#B73D30

#B73D30 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.160 H 29.4°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B73D30
RGB	rgb(183, 61, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 74%, 72%)
CMYK	cmyk(0%, 66.7%, 73.8%, 28.2%)
CIE-LAB	lab(43.68, 48.49, 34.90)
CIE-LCH	lch(43.68, 59.74, 35.75°)
OKLab	oklab(53.31% 0.1393 0.0787)
OKLCH	oklch(53.31% 0.16 29.4)
XYZ	xyz(21.7331, 13.6213, 4.2805)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73D30 #30AAB7

analogous

#B73066 #B73D30 #B78130

triadic

#B73D30 #30B73D #3D30B7

tetradic

#B73D30 #66B730 #30AAB7 #8130B7

square

#B73D30 #66B730 #30AAB7 #8130B7

split-complementary

#B73D30 #30B781 #3066B7

monochromatic

#561D17 #872D23 #B73D30 #D25F52 #DE8C83

Accessibility & contrast

On white

5.64

#B73D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B73D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73D30

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73D30	#FFFFFF	#000000	##FFFFFF
##B73D30	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562E

Deuteranopia (green-blind)

#7E712C

Tritanopia (blue-blind)

#C91B3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b73d30;
/* rgb */ color: rgb(183, 61, 48);
/* oklch */ color: oklch(53.3% 0.160 29.4);

Tailwind

colors: {
  custom: {
    50: '#d47969',
    500: '#b73d30',
    950: '#000000',
  },
}

SCSS

$custom: #b73d30;
$custom-light: #d47969;
$custom-dark: #000000;

JSON

{
  "hex": "#b73d30",
  "rgb": {
    "r": 183,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 5.778,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53308,
    "c": 0.16,
    "h": 29.4
  },
  "luminance": 0.13618
}

Semantic roles & 50–950 ramp

primary

#B73D30

secondary

#7BC0C8

accent

#D3E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73D30

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

Preview Lab → · Contrast checker → · Palette generator →