#B52B45#B52B45

#B52B45 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.173 H 15.6°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#B52B45
RGB	rgb(181, 43, 69)
HSL	hsl(349, 62%, 44%)
HSV	hsv(349, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 61.9%, 29%)
CIE-LAB	lab(41.19, 55.74, 19.11)
CIE-LCH	lch(41.19, 58.93, 18.93°)
OKLab	oklab(51.49% 0.1669 0.0465)
OKLCH	oklch(51.49% 0.173 15.6)
XYZ	xyz(20.9963, 11.9843, 6.8367)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B45 #2BB59B

analogous

#B52B8A #B52B45 #B5562B

triadic

#B52B45 #45B52B #2B45B5

tetradic

#B52B45 #8AB52B #2BB59B #562BB5

square

#B52B45 #8AB52B #2BB59B #562BB5

split-complementary

#B52B45 #2BB556 #2B8AB5

monochromatic

#52141F #841F32 #B52B45 #D44963 #E07B8E

Accessibility & contrast

On white

6.18

#B52B45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B52B45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B45

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B45	#FFFFFF	#000000	##FFFFFF
##B52B45	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)

#524F45

Deuteranopia (green-blind)

#756B41

Tritanopia (blue-blind)

#C60036

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52b45;
/* rgb */ color: rgb(181, 43, 69);
/* oklch */ color: oklch(51.5% 0.173 15.6);

Tailwind

colors: {
  custom: {
    50: '#d27178',
    500: '#b52b45',
    950: '#000000',
  },
}

SCSS

$custom: #b52b45;
$custom-light: #d27178;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b45",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 69
  },
  "hsl": {
    "h": 348.696,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51486,
    "c": 0.17331,
    "h": 15.6
  },
  "luminance": 0.11981
}

Semantic roles & 50–950 ramp

primary

#B52B45

secondary

#74C8B8

accent

#E5C643

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #B52B45

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

Preview Lab → · Contrast checker → · Palette generator →