#B53149#B53149

#B53149 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.168 H 15.0°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B53149
RGB	rgb(181, 49, 73)
HSL	hsl(349, 57%, 45%)
HSV	hsv(349, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 59.7%, 29%)
CIE-LAB	lab(42.01, 53.95, 17.70)
CIE-LCH	lch(42.01, 56.78, 18.16°)
OKLab	oklab(52.12% 0.162 0.0435)
OKLCH	oklch(52.12% 0.168 15)
XYZ	xyz(21.3591, 12.5045, 7.5909)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53149 #31B59D

analogous

#B5318B #B53149 #B55B31

triadic

#B53149 #49B531 #3149B5

tetradic

#B53149 #8BB531 #31B59D #5B31B5

square

#B53149 #8BB531 #31B59D #5B31B5

split-complementary

#B53149 #31B55B #318BB5

monochromatic

#551722 #852436 #B53149 #D0536A #DD8393

Accessibility & contrast

On white

6.00

#B53149 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53149 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53149

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53149	#FFFFFF	#000000	##FFFFFF
##B53149	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545249

Deuteranopia (green-blind)

#766D46

Tritanopia (blue-blind)

#C6073B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53149;
/* rgb */ color: rgb(181, 49, 73);
/* oklch */ color: oklch(52.1% 0.168 15.0);

Tailwind

colors: {
  custom: {
    50: '#d2737b',
    500: '#b53149',
    950: '#000000',
  },
}

SCSS

$custom: #b53149;
$custom-light: #d2737b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53149",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 73
  },
  "hsl": {
    "h": 349.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52117,
    "c": 0.16769,
    "h": 15
  },
  "luminance": 0.12501
}

Semantic roles & 50–950 ramp

primary

#B53149

secondary

#7BC7B9

accent

#E1C547

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53149

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

Preview Lab → · Contrast checker → · Palette generator →