#B72D28#B72D28

#B72D28 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.176 H 27.5°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#B72D28
RGB	rgb(183, 45, 40)
HSL	hsl(2, 64%, 44%)
HSV	hsv(2, 78%, 72%)
CMYK	cmyk(0%, 75.4%, 78.1%, 28.2%)
CIE-LAB	lab(41.38, 54.25, 36.92)
CIE-LCH	lch(41.38, 65.62, 34.23°)
OKLab	oklab(51.55% 0.1558 0.081)
OKLCH	oklch(51.55% 0.176 27.5)
XYZ	xyz(20.8523, 12.1005, 3.2447)
Luminance	0.1210 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72D28 #28B2B7

analogous

#B7286A #B72D28 #B77428

triadic

#B72D28 #28B72D #2D28B7

tetradic

#B72D28 #6AB728 #28B2B7 #7428B7

square

#B72D28 #6AB728 #28B2B7 #7428B7

split-complementary

#B72D28 #28B774 #286AB7

monochromatic

#531412 #85211D #B72D28 #D64B46 #E17C78

Accessibility & contrast

On white

6.14

#B72D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B72D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72D28

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72D28	#FFFFFF	#000000	##FFFFFF
##B72D28	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E26

Deuteranopia (green-blind)

#796C22

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72d28;
/* rgb */ color: rgb(183, 45, 40);
/* oklch */ color: oklch(51.6% 0.176 27.5);

Tailwind

colors: {
  custom: {
    50: '#d67163',
    500: '#b72d28',
    950: '#000000',
  },
}

SCSS

$custom: #b72d28;
$custom-light: #d67163;
$custom-dark: #000000;

JSON

{
  "hex": "#b72d28",
  "rgb": {
    "r": 183,
    "g": 45,
    "b": 40
  },
  "hsl": {
    "h": 2.098,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51552,
    "c": 0.17557,
    "h": 27.5
  },
  "luminance": 0.12097
}

Semantic roles & 50–950 ramp

primary

#B72D28

secondary

#72C6C9

accent

#E1E741

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B72D28

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

Preview Lab → · Contrast checker → · Palette generator →