#B52B2F#B52B2F

#B52B2F is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.174 H 24.6°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B52B2F
RGB	rgb(181, 43, 47)
HSL	hsl(358, 62%, 44%)
HSV	hsv(358, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 74%, 29%)
CIE-LAB	lab(40.83, 54.57, 32.16)
CIE-LCH	lch(40.83, 63.34, 30.51°)
OKLab	oklab(51.1% 0.1585 0.0726)
OKLCH	oklch(51.1% 0.174 24.6)
XYZ	xyz(20.4354, 11.7599, 3.8827)
Luminance	0.1176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B2F #2BB5B1

analogous

#B52B74 #B52B2F #B56C2B

triadic

#B52B2F #2FB52B #2B2FB5

tetradic

#B52B2F #74B52B #2BB5B1 #6C2BB5

square

#B52B2F #74B52B #2BB5B1 #6C2BB5

split-complementary

#B52B2F #2BB56C #2B74B5

monochromatic

#521415 #841F22 #B52B2F #D4494D #E07B7E

Accessibility & contrast

On white

6.27

#B52B2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B52B2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B2F

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B2F	#FFFFFF	#000000	##FFFFFF
##B52B2F	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2E

Deuteranopia (green-blind)

#776B2A

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52b2f;
/* rgb */ color: rgb(181, 43, 47);
/* oklch */ color: oklch(51.1% 0.174 24.6);

Tailwind

colors: {
  custom: {
    50: '#d47068',
    500: '#b52b2f',
    950: '#000000',
  },
}

SCSS

$custom: #b52b2f;
$custom-light: #d47068;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b2f",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 47
  },
  "hsl": {
    "h": 358.261,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51104,
    "c": 0.17436,
    "h": 24.6
  },
  "luminance": 0.11757
}

Semantic roles & 50–950 ramp

primary

#B52B2F

secondary

#74C8C5

accent

#E5E043

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52B2F

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

Preview Lab → · Contrast checker → · Palette generator →