#B53B53#B53B53

#B53B53 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.157 H 12.6°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#B53B53
RGB	rgb(181, 59, 83)
HSL	hsl(348, 51%, 47%)
HSV	hsv(348, 67%, 71%)
CMYK	cmyk(0%, 67.4%, 54.1%, 29%)
CIE-LAB	lab(43.62, 50.85, 13.68)
CIE-LCH	lch(43.62, 52.66, 15.05°)
OKLab	oklab(53.39% 0.1536 0.0345)
OKLCH	oklch(53.39% 0.157 12.6)
XYZ	xyz(22.1833, 13.5792, 9.6348)
Luminance	0.1358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B53 #3BB59D

analogous

#B53B90 #B53B53 #B5603B

triadic

#B53B53 #53B53B #3B53B5

tetradic

#B53B53 #90B53B #3BB59D #603BB5

square

#B53B53 #90B53B #3BB59D #603BB5

split-complementary

#B53B53 #3BB560 #3B90B5

monochromatic

#591D29 #872C3E #B53B53 #CC6276 #DB909E

Accessibility & contrast

On white

5.65

#B53B53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B53B53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B53

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B53	#FFFFFF	#000000	##FFFFFF
##B53B53	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585753

Deuteranopia (green-blind)

#787050

Tritanopia (blue-blind)

#C52445

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53b53;
/* rgb */ color: rgb(181, 59, 83);
/* oklch */ color: oklch(53.4% 0.157 12.6);

Tailwind

colors: {
  custom: {
    50: '#d17883',
    500: '#b53b53',
    950: '#000000',
  },
}

SCSS

$custom: #b53b53;
$custom-light: #d17883;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b53",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 348.197,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5339,
    "c": 0.1574,
    "h": 12.6
  },
  "luminance": 0.13576
}

Semantic roles & 50–950 ramp

primary

#B53B53

secondary

#86C6B9

accent

#DABF4D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B53B53

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

Preview Lab → · Contrast checker → · Palette generator →