#B52F28#B52F28

#B52F28 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 27.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B52F28
RGB	rgb(181, 47, 40)
HSL	hsl(3, 64%, 43%)
HSV	hsv(3, 78%, 71%)
CMYK	cmyk(0%, 74%, 77.9%, 29%)
CIE-LAB	lab(41.24, 52.94, 36.65)
CIE-LCH	lch(41.24, 64.39, 34.70°)
OKLab	oklab(51.38% 0.1519 0.0806)
OKLCH	oklch(51.38% 0.172 27.9)
XYZ	xyz(20.4580, 12.0132, 3.2486)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F28 #28AEB5

analogous

#B52867 #B52F28 #B57528

triadic

#B52F28 #28B52F #2F28B5

tetradic

#B52F28 #67B528 #28AEB5 #7528B5

square

#B52F28 #67B528 #28AEB5 #7528B5

split-complementary

#B52F28 #28B575 #2867B5

monochromatic

#511512 #83221D #B52F28 #D64C44 #E17C77

Accessibility & contrast

On white

6.17

#B52F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F28

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F28	#FFFFFF	#000000	##FFFFFF
##B52F28	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F26

Deuteranopia (green-blind)

#786C22

Tritanopia (blue-blind)

#C7002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52f28;
/* rgb */ color: rgb(181, 47, 40);
/* oklch */ color: oklch(51.4% 0.172 27.9);

Tailwind

colors: {
  custom: {
    50: '#d47263',
    500: '#b52f28',
    950: '#000000',
  },
}

SCSS

$custom: #b52f28;
$custom-light: #d47263;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f28",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 40
  },
  "hsl": {
    "h": 2.979,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51379,
    "c": 0.17192,
    "h": 27.9
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary

#B52F28

secondary

#70C4C8

accent

#DFE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B52F28

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

Preview Lab → · Contrast checker → · Palette generator →