#B53E4B#B53E4B

#B53E4B is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.154 H 17.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#B53E4B
RGB	rgb(181, 62, 75)
HSL	hsl(353, 49%, 48%)
HSV	hsv(353, 66%, 71%)
CMYK	cmyk(0%, 65.7%, 58.6%, 29%)
CIE-LAB	lab(43.92, 48.97, 19.00)
CIE-LCH	lch(43.92, 52.53, 21.21°)
OKLab	oklab(53.55% 0.1464 0.0467)
OKLCH	oklch(53.55% 0.154 17.7)
XYZ	xyz(22.0507, 13.7800, 8.1539)
Luminance	0.1378 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E4B #3EB5A8

analogous

#B53E87 #B53E4B #B56C3E

triadic

#B53E4B #4BB53E #3E4BB5

tetradic

#B53E4B #87B53E #3EB5A8 #6C3EB5

square

#B53E4B #87B53E #3EB5A8 #6C3EB5

split-complementary

#B53E4B #3EB56C #3E87B5

monochromatic

#5A1F25 #872E38 #B53E4B #CA6671 #DA939B

Accessibility & contrast

On white

5.59

#B53E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B53E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E4B

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E4B	#FFFFFF	#000000	##FFFFFF
##B53E4B	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#7A7148

Tritanopia (blue-blind)

#C62643

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b53e4b;
/* rgb */ color: rgb(181, 62, 75);
/* oklch */ color: oklch(53.6% 0.154 17.7);

Tailwind

colors: {
  custom: {
    50: '#d17a7d',
    500: '#b53e4b',
    950: '#000000',
  },
}

SCSS

$custom: #b53e4b;
$custom-light: #d17a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e4b",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 353.445,
    "s": 48.971,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53553,
    "c": 0.15365,
    "h": 17.7
  },
  "luminance": 0.13777
}

Semantic roles & 50–950 ramp

primary

#B53E4B

secondary

#89C5BF

accent

#D9CA4F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B53E4B

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

Preview Lab → · Contrast checker → · Palette generator →