#B53D4E#B53D4E

#B53D4E is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.155 H 15.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B53D4E
RGB	rgb(181, 61, 78)
HSL	hsl(352, 50%, 47%)
HSV	hsv(352, 66%, 71%)
CMYK	cmyk(0%, 66.3%, 56.9%, 29%)
CIE-LAB	lab(43.82, 49.62, 17.03)
CIE-LCH	lch(43.82, 52.46, 18.94°)
OKLab	oklab(53.5% 0.1489 0.0422)
OKLCH	oklch(53.5% 0.155 15.8)
XYZ	xyz(22.1020, 13.7143, 8.6895)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D4E #3DB5A4

analogous

#B53D8A #B53D4E #B5683D

triadic

#B53D4E #4EB53D #3D4EB5

tetradic

#B53D4E #8AB53D #3DB5A4 #683DB5

square

#B53D4E #8AB53D #3DB5A4 #683DB5

split-complementary

#B53D4E #3DB568 #3D8AB5

monochromatic

#591E27 #872E3A #B53D4E #CB6473 #DA929C

Accessibility & contrast

On white

5.61

#B53D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B53D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D4E

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D4E	#FFFFFF	#000000	##FFFFFF
##B53D4E	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584E

Deuteranopia (green-blind)

#79714B

Tritanopia (blue-blind)

#C62544

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b53d4e;
/* rgb */ color: rgb(181, 61, 78);
/* oklch */ color: oklch(53.5% 0.155 15.8);

Tailwind

colors: {
  custom: {
    50: '#d1797f',
    500: '#b53d4e',
    950: '#000000',
  },
}

SCSS

$custom: #b53d4e;
$custom-light: #d1797f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d4e",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 351.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53501,
    "c": 0.15481,
    "h": 15.8
  },
  "luminance": 0.13711
}

Semantic roles & 50–950 ramp

primary

#B53D4E

secondary

#88C5BD

accent

#D9C64F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B53D4E

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

Preview Lab → · Contrast checker → · Palette generator →