#B53749#B53749

#B53749 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.161 H 16.6°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#B53749
RGB	rgb(181, 55, 73)
HSL	hsl(351, 53%, 46%)
HSV	hsv(351, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 59.7%, 29%)
CIE-LAB	lab(42.82, 51.70, 18.78)
CIE-LCH	lch(42.82, 55.01, 19.97°)
OKLab	oklab(52.73% 0.1547 0.046)
OKLCH	oklch(52.73% 0.161 16.6)
XYZ	xyz(21.6269, 13.0402, 7.6802)
Luminance	0.1304 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53749 #37B5A3

analogous

#B53788 #B53749 #B56437

triadic

#B53749 #49B537 #3749B5

tetradic

#B53749 #88B537 #37B5A3 #6437B5

square

#B53749 #88B537 #37B5A3 #6437B5

split-complementary

#B53749 #37B564 #3788B5

monochromatic

#571A23 #862936 #B53749 #CD5C6C #DC8B96

Accessibility & contrast

On white

5.82

#B53749 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B53749 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53749

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53749	#FFFFFF	#000000	##FFFFFF
##B53749	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585449

Deuteranopia (green-blind)

#786F46

Tritanopia (blue-blind)

#C6183E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53749;
/* rgb */ color: rgb(181, 55, 73);
/* oklch */ color: oklch(52.7% 0.161 16.6);

Tailwind

colors: {
  custom: {
    50: '#d2767b',
    500: '#b53749',
    950: '#000000',
  },
}

SCSS

$custom: #b53749;
$custom-light: #d2767b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53749",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 73
  },
  "hsl": {
    "h": 351.429,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52725,
    "c": 0.16143,
    "h": 16.6
  },
  "luminance": 0.13037
}

Semantic roles & 50–950 ramp

primary

#B53749

secondary

#82C6BC

accent

#DDC84B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53749

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

Preview Lab → · Contrast checker → · Palette generator →