#B52F3D#B52F3D

#B52F3D is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.7% C 0.170 H 20.0°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#B52F3D
RGB	rgb(181, 47, 61)
HSL	hsl(354, 59%, 45%)
HSV	hsv(354, 74%, 71%)
CMYK	cmyk(0%, 74%, 66.3%, 29%)
CIE-LAB	lab(41.53, 53.91, 24.51)
CIE-LCH	lch(41.53, 59.22, 24.45°)
OKLab	oklab(51.69% 0.1595 0.0581)
OKLCH	oklch(51.69% 0.17 20)
XYZ	xyz(20.9171, 12.1968, 5.6668)
Luminance	0.1219 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52F3D #2FB5A7

analogous

#B52F80 #B52F3D #B5642F

triadic

#B52F3D #3DB52F #2F3DB5

tetradic

#B52F3D #80B52F #2FB5A7 #642FB5

square

#B52F3D #80B52F #2FB5A7 #642FB5

split-complementary

#B52F3D #2FB564 #2F80B5

monochromatic

#54161C #84222D #B52F3D #D1505D #DE808A

Accessibility & contrast

On white

6.11

#B52F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B52F3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F3D

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52F3D	#FFFFFF	#000000	##FFFFFF
##B52F3D	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#55503D

Deuteranopia (green-blind)

#776C39

Tritanopia (blue-blind)

#C70035

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b52f3d;
/* rgb */ color: rgb(181, 47, 61);
/* oklch */ color: oklch(51.7% 0.170 20.0);

Tailwind

colors: {
  custom: {
    50: '#d37272',
    500: '#b52f3d',
    950: '#000000',
  },
}

SCSS

$custom: #b52f3d;
$custom-light: #d37272;
$custom-dark: #000000;

JSON

{
  "hex": "#b52f3d",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 61
  },
  "hsl": {
    "h": 353.731,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51688,
    "c": 0.16972,
    "h": 20
  },
  "luminance": 0.12194
}

Semantic roles & 50–950 ramp

primary

#B52F3D

secondary

#79C7BF

accent

#E2D246

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160908

muted

#847B7B

Preview Lab

Preview with #B52F3D

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

Preview Lab → · Contrast checker → · Palette generator →