#B53535#B53535

#B53535 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 24.9°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B53535
RGB	rgb(181, 53, 53)
HSL	hsl(0, 55%, 46%)
HSV	hsv(0, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 70.7%, 29%)
CIE-LAB	lab(42.20, 51.28, 30.18)
CIE-LCH	lch(42.20, 59.51, 30.48°)
OKLab	oklab(52.15% 0.1494 0.0695)
OKLCH	oklch(52.15% 0.165 24.9)
XYZ	xyz(20.9741, 12.6301, 4.7009)
Luminance	0.1263 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53535 #35B5B5

analogous

#B53575 #B53535 #B57535

triadic

#B53535 #35B535 #3535B5

tetradic

#B53535 #75B535 #35B5B5 #7535B5

square

#B53535 #75B535 #35B5B5 #7535B5

split-complementary

#B53535 #35B575 #3575B5

monochromatic

#561919 #862727 #B53535 #CE5959 #DC8888

Accessibility & contrast

On white

5.96

#B53535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B53535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53535

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53535	#FFFFFF	#000000	##FFFFFF
##B53535	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595234

Deuteranopia (green-blind)

#796E31

Tritanopia (blue-blind)

#C70737

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53535;
/* rgb */ color: rgb(181, 53, 53);
/* oklch */ color: oklch(52.1% 0.165 24.9);

Tailwind

colors: {
  custom: {
    50: '#d3756c',
    500: '#b53535',
    950: '#000000',
  },
}

SCSS

$custom: #b53535;
$custom-light: #d3756c;
$custom-dark: #000000;

JSON

{
  "hex": "#b53535",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5215,
    "c": 0.16478,
    "h": 24.9
  },
  "luminance": 0.12627
}

Semantic roles & 50–950 ramp

primary

#B53535

secondary

#80C6C6

accent

#DEDE4A

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53535

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

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