#B53A36#B53A36

#B53A36 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.160 H 26.1°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B53A36
RGB	rgb(181, 58, 54)
HSL	hsl(2, 54%, 46%)
HSV	hsv(2, 70%, 71%)
CMYK	cmyk(0%, 68%, 70.2%, 29%)
CIE-LAB	lab(42.94, 49.34, 30.47)
CIE-LCH	lch(42.94, 57.99, 31.70°)
OKLab	oklab(52.71% 0.1435 0.0703)
OKLCH	oklch(52.71% 0.16 26.1)
XYZ	xyz(21.2372, 13.1193, 4.9033)
Luminance	0.1312 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A36 #36B1B5

analogous

#B53671 #B53A36 #B57936

triadic

#B53A36 #36B53A #3A36B5

tetradic

#B53A36 #71B536 #36B1B5 #7936B5

square

#B53A36 #71B536 #36B1B5 #7936B5

split-complementary

#B53A36 #36B579 #3671B5

monochromatic

#571C1A #862B28 #B53A36 #CE5E5A #DC8C89

Accessibility & contrast

On white

5.80

#B53A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B53A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A36

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A36	#FFFFFF	#000000	##FFFFFF
##B53A36	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5535

Deuteranopia (green-blind)

#7B6F32

Tritanopia (blue-blind)

#C7173A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53a36;
/* rgb */ color: rgb(181, 58, 54);
/* oklch */ color: oklch(52.7% 0.160 26.1);

Tailwind

colors: {
  custom: {
    50: '#d3776d',
    500: '#b53a36',
    950: '#000000',
  },
}

SCSS

$custom: #b53a36;
$custom-light: #d3776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a36",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.89,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5271,
    "c": 0.15979,
    "h": 26.1
  },
  "luminance": 0.13116
}

Semantic roles & 50–950 ramp

primary

#B53A36

secondary

#81C4C6

accent

#D9DD4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53A36

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

Preview Lab → · Contrast checker → · Palette generator →