#B52E28#B52E28

#B52E28 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 27.7°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B52E28
RGB	rgb(181, 46, 40)
HSL	hsl(3, 64%, 43%)
HSV	hsv(3, 78%, 71%)
CMYK	cmyk(0%, 74.6%, 77.9%, 29%)
CIE-LAB	lab(41.11, 53.29, 36.52)
CIE-LCH	lch(41.11, 64.60, 34.43°)
OKLab	oklab(51.29% 0.153 0.0803)
OKLCH	oklch(51.29% 0.173 27.7)
XYZ	xyz(20.4185, 11.9341, 3.2355)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52E28 #28AFB5

analogous

#B52868 #B52E28 #B57428

triadic

#B52E28 #28B52E #2E28B5

tetradic

#B52E28 #68B528 #28AFB5 #7428B5

square

#B52E28 #68B528 #28AFB5 #7428B5

split-complementary

#B52E28 #28B574 #2868B5

monochromatic

#511512 #83211D #B52E28 #D64B44 #E17B77

Accessibility & contrast

On white

6.20

#B52E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B52E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52E28

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52E28	#FFFFFF	#000000	##FFFFFF
##B52E28	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E26

Deuteranopia (green-blind)

#786C22

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52e28;
/* rgb */ color: rgb(181, 46, 40);
/* oklch */ color: oklch(51.3% 0.173 27.7);

Tailwind

colors: {
  custom: {
    50: '#d47163',
    500: '#b52e28',
    950: '#000000',
  },
}

SCSS

$custom: #b52e28;
$custom-light: #d47163;
$custom-dark: #000000;

JSON

{
  "hex": "#b52e28",
  "rgb": {
    "r": 181,
    "g": 46,
    "b": 40
  },
  "hsl": {
    "h": 2.553,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51286,
    "c": 0.17276,
    "h": 27.7
  },
  "luminance": 0.11931
}

Semantic roles & 50–950 ramp

primary

#B52E28

secondary

#70C5C8

accent

#E0E741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B52E28

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

Preview Lab → · Contrast checker → · Palette generator →