#B73430#B73430

#B73430 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.168 H 26.6°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B73430
RGB	rgb(183, 52, 48)
HSL	hsl(2, 58%, 45%)
HSV	hsv(2, 74%, 72%)
CMYK	cmyk(0%, 71.6%, 73.8%, 28.2%)
CIE-LAB	lab(42.37, 52.08, 33.42)
CIE-LCH	lch(42.37, 61.88, 32.69°)
OKLab	oklab(52.32% 0.1506 0.0754)
OKLCH	oklch(52.32% 0.168 26.6)
XYZ	xyz(21.2923, 12.7399, 4.1336)
Luminance	0.1274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73430 #30B3B7

analogous

#B7306F #B73430 #B77830

triadic

#B73430 #30B734 #3430B7

tetradic

#B73430 #6FB730 #30B3B7 #7830B7

square

#B73430 #6FB730 #30B3B7 #7830B7

split-complementary

#B73430 #30B778 #306FB7

monochromatic

#561817 #872623 #B73430 #D25652 #DE8683

Accessibility & contrast

On white

5.92

#B73430 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B73430 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73430

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73430	#FFFFFF	#000000	##FFFFFF
##B73430	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#7B6E2B

Tritanopia (blue-blind)

#C90034

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73430;
/* rgb */ color: rgb(183, 52, 48);
/* oklch */ color: oklch(52.3% 0.168 26.6);

Tailwind

colors: {
  custom: {
    50: '#d57469',
    500: '#b73430',
    950: '#000000',
  },
}

SCSS

$custom: #b73430;
$custom-light: #d57469;
$custom-dark: #000000;

JSON

{
  "hex": "#b73430",
  "rgb": {
    "r": 183,
    "g": 52,
    "b": 48
  },
  "hsl": {
    "h": 1.778,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52323,
    "c": 0.16845,
    "h": 26.6
  },
  "luminance": 0.12737
}

Semantic roles & 50–950 ramp

primary

#B73430

secondary

#7BC5C8

accent

#DDE246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B73430

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

Preview Lab → · Contrast checker → · Palette generator →