#B53B2D#B53B2D

#B53B2D is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.160 H 29.9°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#B53B2D
RGB	rgb(181, 59, 45)
HSL	hsl(6, 60%, 44%)
HSV	hsv(6, 75%, 71%)
CMYK	cmyk(0%, 67.4%, 75.1%, 29%)
CIE-LAB	lab(42.98, 48.51, 35.71)
CIE-LCH	lch(42.98, 60.24, 36.36°)
OKLab	oklab(52.7% 0.139 0.0798)
OKLCH	oklch(52.7% 0.16 29.9)
XYZ	xyz(21.0960, 13.1442, 3.9084)
Luminance	0.1314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53B2D #2DA7B5

analogous

#B52D63 #B53B2D #B57F2D

triadic

#B53B2D #2DB53B #3B2DB5

tetradic

#B53B2D #63B52D #2DA7B5 #7F2DB5

square

#B53B2D #63B52D #2DA7B5 #7F2DB5

split-complementary

#B53B2D #2DB57F #2D63B5

monochromatic

#531B15 #842B21 #B53B2D #D35A4D #DF887E

Accessibility & contrast

On white

5.79

#B53B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B53B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53B2D

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53B2D	#FFFFFF	#000000	##FFFFFF
##B53B2D	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552B

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#C71739

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53b2d;
/* rgb */ color: rgb(181, 59, 45);
/* oklch */ color: oklch(52.7% 0.160 29.9);

Tailwind

colors: {
  custom: {
    50: '#d37867',
    500: '#b53b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b53b2d;
$custom-light: #d37867;
$custom-dark: #000000;

JSON

{
  "hex": "#b53b2d",
  "rgb": {
    "r": 181,
    "g": 59,
    "b": 45
  },
  "hsl": {
    "h": 6.176,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52701,
    "c": 0.16032,
    "h": 29.9
  },
  "luminance": 0.13141
}

Semantic roles & 50–950 ramp

primary

#B53B2D

secondary

#76BFC7

accent

#D3E344

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53B2D

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

Preview Lab → · Contrast checker → · Palette generator →