#B52E2F#B52E2F

#B52E2F is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 25.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B52E2F
RGB	rgb(181, 46, 47)
HSL	hsl(360, 59%, 45%)
HSV	hsv(360, 75%, 71%)
CMYK	cmyk(0%, 74.6%, 74%, 29%)
CIE-LAB	lab(41.19, 53.56, 32.57)
CIE-LCH	lch(41.19, 62.69, 31.30°)
OKLab	oklab(51.37% 0.1553 0.0735)
OKLCH	oklch(51.37% 0.172 25.3)
XYZ	xyz(20.5485, 11.9862, 3.9204)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52E2F #2EB5B4

analogous

#B52E72 #B52E2F #B5712E

triadic

#B52E2F #2FB52E #2E2FB5

tetradic

#B52E2F #72B52E #2EB5B4 #712EB5

square

#B52E2F #72B52E #2EB5B4 #712EB5

split-complementary

#B52E2F #2EB571 #2E72B5

monochromatic

#531516 #842222 #B52E2F #D24E4F #DE7F80

Accessibility & contrast

On white

6.18

#B52E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52E2F

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52E2F	#FFFFFF	#000000	##FFFFFF
##B52E2F	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F2E

Deuteranopia (green-blind)

#786C2A

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52e2f;
/* rgb */ color: rgb(181, 46, 47);
/* oklch */ color: oklch(51.4% 0.172 25.3);

Tailwind

colors: {
  custom: {
    50: '#d47168',
    500: '#b52e2f',
    950: '#000000',
  },
}

SCSS

$custom: #b52e2f;
$custom-light: #d47168;
$custom-dark: #000000;

JSON

{
  "hex": "#b52e2f",
  "rgb": {
    "r": 181,
    "g": 46,
    "b": 47
  },
  "hsl": {
    "h": 359.556,
    "s": 59.471,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51374,
    "c": 0.17185,
    "h": 25.3
  },
  "luminance": 0.11983
}

Semantic roles & 50–950 ramp

primary

#B52E2F

secondary

#78C7C7

accent

#E3E145

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52E2F

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

Preview Lab → · Contrast checker → · Palette generator →