#B53C45#B53C45

#B53C45 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.156 H 20.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B53C45
RGB	rgb(181, 60, 69)
HSL	hsl(356, 50%, 47%)
HSV	hsv(356, 67%, 71%)
CMYK	cmyk(0%, 66.9%, 61.9%, 29%)
CIE-LAB	lab(43.49, 49.40, 22.12)
CIE-LCH	lch(43.49, 54.12, 24.12°)
OKLab	oklab(53.2% 0.1467 0.0534)
OKLCH	oklch(53.2% 0.156 20)
XYZ	xyz(21.7482, 13.4881, 7.0873)
Luminance	0.1348 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C45 #3CB5AC

analogous

#B53C82 #B53C45 #B56F3C

triadic

#B53C45 #45B53C #3C45B5

tetradic

#B53C45 #82B53C #3CB5AC #6F3CB5

square

#B53C45 #82B53C #3CB5AC #6F3CB5

split-complementary

#B53C45 #3CB56F #3C82B5

monochromatic

#591E22 #872D33 #B53C45 #CB636B #DB9196

Accessibility & contrast

On white

5.68

#B53C45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53C45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C45

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C45	#FFFFFF	#000000	##FFFFFF
##B53C45	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5744

Deuteranopia (green-blind)

#7A7042

Tritanopia (blue-blind)

#C62040

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53c45;
/* rgb */ color: rgb(181, 60, 69);
/* oklch */ color: oklch(53.2% 0.156 20.0);

Tailwind

colors: {
  custom: {
    50: '#d27978',
    500: '#b53c45',
    950: '#000000',
  },
}

SCSS

$custom: #b53c45;
$custom-light: #d27978;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c45",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 69
  },
  "hsl": {
    "h": 355.537,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53197,
    "c": 0.15611,
    "h": 20
  },
  "luminance": 0.13485
}

Semantic roles & 50–950 ramp

primary

#B53C45

secondary

#87C6C1

accent

#DACF4E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B53C45

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

Preview Lab → · Contrast checker → · Palette generator →