#B53A43#B53A43

#B53A43 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.158 H 20.3°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B53A43
RGB	rgb(181, 58, 67)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 68%, 71%)
CMYK	cmyk(0%, 68%, 63%, 29%)
CIE-LAB	lab(43.15, 50.09, 22.90)
CIE-LCH	lch(43.15, 55.08, 24.57°)
OKLab	oklab(52.93% 0.1485 0.055)
OKLCH	oklch(52.93% 0.158 20.3)
XYZ	xyz(21.5844, 13.2581, 6.7316)
Luminance	0.1326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A43 #3AB5AC

analogous

#B53A81 #B53A43 #B56F3A

triadic

#B53A43 #43B53A #3A43B5

tetradic

#B53A43 #81B53A #3AB5AC #6F3AB5

square

#B53A43 #81B53A #3AB5AC #6F3AB5

split-complementary

#B53A43 #3AB56F #3A81B5

monochromatic

#581C21 #872B32 #B53A43 #CC6068 #DB8E94

Accessibility & contrast

On white

5.75

#B53A43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B53A43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A43

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A43	#FFFFFF	#000000	##FFFFFF
##B53A43	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5542

Deuteranopia (green-blind)

#7A7040

Tritanopia (blue-blind)

#C61C3E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53a43;
/* rgb */ color: rgb(181, 58, 67);
/* oklch */ color: oklch(52.9% 0.158 20.3);

Tailwind

colors: {
  custom: {
    50: '#d27877',
    500: '#b53a43',
    950: '#000000',
  },
}

SCSS

$custom: #b53a43;
$custom-light: #d27877;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a43",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 67
  },
  "hsl": {
    "h": 355.61,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52931,
    "c": 0.15839,
    "h": 20.3
  },
  "luminance": 0.13255
}

Semantic roles & 50–950 ramp

primary

#B53A43

secondary

#85C6C1

accent

#DBD14D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53A43

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

Preview Lab → · Contrast checker → · Palette generator →