#B52F30#B52F30

#B52F30 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.171 H 25.2°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B52F30
RGB	rgb(181, 47, 48)
HSL	hsl(360, 59%, 45%)
HSV	hsv(360, 74%, 71%)
CMYK	cmyk(0%, 74%, 73.5%, 29%)
CIE-LAB	lab(41.33, 53.26, 32.14)
CIE-LCH	lch(41.33, 62.20, 31.11°)
OKLab	oklab(51.48% 0.1546 0.0728)
OKLCH	oklch(51.48% 0.171 25.2)
XYZ	xyz(20.6084, 12.0733, 4.0410)
Luminance	0.1207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F30 #2FB5B4

analogous

#B52F73 #B52F30 #B5712F

triadic

#B52F30 #30B52F #2F30B5

tetradic

#B52F30 #73B52F #2FB5B4 #712FB5

square

#B52F30 #73B52F #2FB5B4 #712FB5

split-complementary

#B52F30 #2FB571 #2F73B5

monochromatic

#541616 #842223 #B52F30 #D15051 #DE8081

Accessibility & contrast

On white

6.15

#B52F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B52F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F30

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F30	#FFFFFF	#000000	##FFFFFF
##B52F30	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2F

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52f30;
/* rgb */ color: rgb(181, 47, 48);
/* oklch */ color: oklch(51.5% 0.171 25.2);

Tailwind

colors: {
  custom: {
    50: '#d47268',
    500: '#b52f30',
    950: '#000000',
  },
}

SCSS

$custom: #b52f30;
$custom-light: #d47268;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f30",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 48
  },
  "hsl": {
    "h": 359.552,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51481,
    "c": 0.17086,
    "h": 25.2
  },
  "luminance": 0.1207
}

Semantic roles & 50–950 ramp

primary

#B52F30

secondary

#79C7C6

accent

#E2E146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52F30

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

Preview Lab → · Contrast checker → · Palette generator →