#B53B43#B53B43

#B53B43 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.157 H 20.7°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B53B43
RGB	rgb(181, 59, 67)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 67%, 71%)
CMYK	cmyk(0%, 67.4%, 63%, 29%)
CIE-LAB	lab(43.30, 49.68, 23.09)
CIE-LCH	lch(43.30, 54.79, 24.93°)
OKLab	oklab(53.04% 0.1472 0.0555)
OKLCH	oklch(53.04% 0.157 20.7)
XYZ	xyz(21.6353, 13.3600, 6.7486)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B43 #3BB5AD

analogous

#B53B80 #B53B43 #B5703B

triadic

#B53B43 #43B53B #3B43B5

tetradic

#B53B43 #80B53B #3BB5AD #703BB5

square

#B53B43 #80B53B #3BB5AD #703BB5

split-complementary

#B53B43 #3BB570 #3B80B5

monochromatic

#591D21 #872C32 #B53B43 #CC6268 #DB9095

Accessibility & contrast

On white

5.72

#B53B43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B53B43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B43

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B43	#FFFFFF	#000000	##FFFFFF
##B53B43	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5642

Deuteranopia (green-blind)

#7A7040

Tritanopia (blue-blind)

#C61E3F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53b43;
/* rgb */ color: rgb(181, 59, 67);
/* oklch */ color: oklch(53.0% 0.157 20.7);

Tailwind

colors: {
  custom: {
    50: '#d27877',
    500: '#b53b43',
    950: '#000000',
  },
}

SCSS

$custom: #b53b43;
$custom-light: #d27877;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b43",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 67
  },
  "hsl": {
    "h": 356.066,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53044,
    "c": 0.15732,
    "h": 20.7
  },
  "luminance": 0.13357
}

Semantic roles & 50–950 ramp

primary

#B53B43

secondary

#86C6C1

accent

#DAD14D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53B43

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

Preview Lab → · Contrast checker → · Palette generator →