#B53147#B53147

#B53147 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.168 H 16.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B53147
RGB	rgb(181, 49, 71)
HSL	hsl(350, 57%, 45%)
HSV	hsv(350, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 60.8%, 29%)
CIE-LAB	lab(41.97, 53.82, 18.89)
CIE-LCH	lch(41.97, 57.04, 19.34°)
OKLab	oklab(52.07% 0.1612 0.0461)
OKLCH	oklch(52.07% 0.168 16)
XYZ	xyz(21.2938, 12.4784, 7.2473)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53147 #31B59F

analogous

#B53189 #B53147 #B55D31

triadic

#B53147 #47B531 #3147B5

tetradic

#B53147 #89B531 #31B59F #5D31B5

square

#B53147 #89B531 #31B59F #5D31B5

split-complementary

#B53147 #31B55D #3189B5

monochromatic

#551721 #852434 #B53147 #D05368 #DD8392

Accessibility & contrast

On white

6.01

#B53147 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B53147 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53147

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53147	#FFFFFF	#000000	##FFFFFF
##B53147	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555147

Deuteranopia (green-blind)

#766D43

Tritanopia (blue-blind)

#C6053A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53147;
/* rgb */ color: rgb(181, 49, 71);
/* oklch */ color: oklch(52.1% 0.168 16.0);

Tailwind

colors: {
  custom: {
    50: '#d2737a',
    500: '#b53147',
    950: '#000000',
  },
}

SCSS

$custom: #b53147;
$custom-light: #d2737a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53147",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 71
  },
  "hsl": {
    "h": 350,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52074,
    "c": 0.16764,
    "h": 16
  },
  "luminance": 0.12475
}

Semantic roles & 50–950 ramp

primary

#B53147

secondary

#7BC7BA

accent

#E1C747

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53147

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

Preview Lab → · Contrast checker → · Palette generator →