#B72F3C#B72F3C

#B72F3C is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.172 H 20.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B72F3C
RGB	rgb(183, 47, 60)
HSL	hsl(354, 59%, 45%)
HSV	hsv(354, 74%, 72%)
CMYK	cmyk(0%, 74.3%, 67.2%, 28.2%)
CIE-LAB	lab(41.89, 54.47, 25.66)
CIE-LCH	lch(41.89, 60.21, 25.23°)
OKLab	oklab(52.02% 0.1608 0.0604)
OKLCH	oklch(52.02% 0.172 20.6)
XYZ	xyz(21.3629, 12.4298, 5.5484)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72F3C #2FB7AA

analogous

#B72F80 #B72F3C #B7662F

triadic

#B72F3C #3CB72F #2F3CB7

tetradic

#B72F3C #80B72F #2FB7AA #662FB7

square

#B72F3C #80B72F #2FB7AA #662FB7

split-complementary

#B72F3C #2FB766 #2F80B7

monochromatic

#56161C #86222C #B72F3C #D2515D #DF828B

Accessibility & contrast

On white

6.03

#B72F3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B72F3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72F3C

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72F3C	#FFFFFF	#000000	##FFFFFF
##B72F3C	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56503B

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#C90035

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b72f3c;
/* rgb */ color: rgb(183, 47, 60);
/* oklch */ color: oklch(52.0% 0.172 20.6);

Tailwind

colors: {
  custom: {
    50: '#d47271',
    500: '#b72f3c',
    950: '#000000',
  },
}

SCSS

$custom: #b72f3c;
$custom-light: #d47271;
$custom-dark: #000000;

JSON

{
  "hex": "#b72f3c",
  "rgb": {
    "r": 183,
    "g": 47,
    "b": 60
  },
  "hsl": {
    "h": 354.265,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52023,
    "c": 0.17177,
    "h": 20.6
  },
  "luminance": 0.12427
}

Semantic roles & 50–950 ramp

primary

#B72F3C

secondary

#7AC8C0

accent

#E2D345

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B72F3C

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

Preview Lab → · Contrast checker → · Palette generator →