#B53747#B53747

#B53747 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.7% C 0.161 H 17.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B53747
RGB	rgb(181, 55, 71)
HSL	hsl(352, 53%, 46%)
HSV	hsv(352, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 60.8%, 29%)
CIE-LAB	lab(42.78, 51.56, 19.97)
CIE-LCH	lch(42.78, 55.29, 21.17°)
OKLab	oklab(52.68% 0.1539 0.0487)
OKLCH	oklch(52.68% 0.161 17.5)
XYZ	xyz(21.5617, 13.0141, 7.3366)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53747 #37B5A5

analogous

#B53786 #B53747 #B56637

triadic

#B53747 #47B537 #3747B5

tetradic

#B53747 #86B537 #37B5A5 #6637B5

square

#B53747 #86B537 #37B5A5 #6637B5

split-complementary

#B53747 #37B566 #3786B5

monochromatic

#571A22 #862935 #B53747 #CD5C6A #DC8B95

Accessibility & contrast

On white

5.83

#B53747 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B53747 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53747

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53747	#FFFFFF	#000000	##FFFFFF
##B53747	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585447

Deuteranopia (green-blind)

#786F44

Tritanopia (blue-blind)

#C6173E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53747;
/* rgb */ color: rgb(181, 55, 71);
/* oklch */ color: oklch(52.7% 0.161 17.5);

Tailwind

colors: {
  custom: {
    50: '#d2767a',
    500: '#b53747',
    950: '#000000',
  },
}

SCSS

$custom: #b53747;
$custom-light: #d2767a;
$custom-dark: #000000;

JSON

{
  "hex": "#b53747",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 352.381,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52683,
    "c": 0.16144,
    "h": 17.5
  },
  "luminance": 0.13011
}

Semantic roles & 50–950 ramp

primary

#B53747

secondary

#82C6BD

accent

#DDCA4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53747

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

Preview Lab → · Contrast checker → · Palette generator →