#B52A2F#B52A2F

#B52A2F is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.175 H 24.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#B52A2F
RGB	rgb(181, 42, 47)
HSL	hsl(358, 62%, 44%)
HSV	hsv(358, 77%, 71%)
CMYK	cmyk(0%, 76.8%, 74%, 29%)
CIE-LAB	lab(40.72, 54.90, 32.02)
CIE-LCH	lch(40.72, 63.55, 30.26°)
OKLab	oklab(51.02% 0.1596 0.0723)
OKLCH	oklch(51.02% 0.175 24.4)
XYZ	xyz(20.3995, 11.6881, 3.8707)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52A2F #2AB5B0

analogous

#B52A74 #B52A2F #B56A2A

triadic

#B52A2F #2FB52A #2A2FB5

tetradic

#B52A2F #74B52A #2AB5B0 #6A2AB5

square

#B52A2F #74B52A #2AB5B0 #6A2AB5

split-complementary

#B52A2F #2AB56A #2A74B5

monochromatic

#521315 #831E22 #B52A2F #D4484D #E0797D

Accessibility & contrast

On white

6.29

#B52A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#B52A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52A2F

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52A2F	#FFFFFF	#000000	##FFFFFF
##B52A2F	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2E

Deuteranopia (green-blind)

#776B2A

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52a2f;
/* rgb */ color: rgb(181, 42, 47);
/* oklch */ color: oklch(51.0% 0.175 24.4);

Tailwind

colors: {
  custom: {
    50: '#d47068',
    500: '#b52a2f',
    950: '#000000',
  },
}

SCSS

$custom: #b52a2f;
$custom-light: #d47068;
$custom-dark: #000000;

JSON

{
  "hex": "#b52a2f",
  "rgb": {
    "r": 181,
    "g": 42,
    "b": 47
  },
  "hsl": {
    "h": 357.842,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51018,
    "c": 0.17518,
    "h": 24.4
  },
  "luminance": 0.11685
}

Semantic roles & 50–950 ramp

primary

#B52A2F

secondary

#73C8C5

accent

#E5E042

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52A2F

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

Preview Lab → · Contrast checker → · Palette generator →