#B53A42#B53A42

#B53A42 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.158 H 20.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B53A42
RGB	rgb(181, 58, 66)
HSL	hsl(356, 51%, 47%)
HSV	hsv(356, 68%, 71%)
CMYK	cmyk(0%, 68%, 63.5%, 29%)
CIE-LAB	lab(43.13, 50.03, 23.49)
CIE-LCH	lch(43.13, 55.27, 25.15°)
OKLab	oklab(52.91% 0.1481 0.0563)
OKLCH	oklch(52.91% 0.158 20.8)
XYZ	xyz(21.5546, 13.2462, 6.5750)
Luminance	0.1324 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A42 #3AB5AD

analogous

#B53A7F #B53A42 #B5703A

triadic

#B53A42 #42B53A #3A42B5

tetradic

#B53A42 #7FB53A #3AB5AD #703AB5

square

#B53A42 #7FB53A #3AB5AD #703AB5

split-complementary

#B53A42 #3AB570 #3A7FB5

monochromatic

#581C20 #872B31 #B53A42 #CC6067 #DB8E93

Accessibility & contrast

On white

5.76

#B53A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B53A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A42

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A42	#FFFFFF	#000000	##FFFFFF
##B53A42	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5541

Deuteranopia (green-blind)

#7A6F3F

Tritanopia (blue-blind)

#C61B3E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53a42;
/* rgb */ color: rgb(181, 58, 66);
/* oklch */ color: oklch(52.9% 0.158 20.8);

Tailwind

colors: {
  custom: {
    50: '#d27876',
    500: '#b53a42',
    950: '#000000',
  },
}

SCSS

$custom: #b53a42;
$custom-light: #d27876;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a42",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.098,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52912,
    "c": 0.15845,
    "h": 20.8
  },
  "luminance": 0.13243
}

Semantic roles & 50–950 ramp

primary

#B53A42

secondary

#85C6C1

accent

#DBD24D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53A42

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

Preview Lab → · Contrast checker → · Palette generator →