#B63535#B63535

#B63535 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.166 H 25.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#B63535
RGB	rgb(182, 53, 53)
HSL	hsl(0, 55%, 46%)
HSV	hsv(0, 71%, 71%)
CMYK	cmyk(0%, 70.9%, 70.9%, 28.6%)
CIE-LAB	lab(42.39, 51.61, 30.45)
CIE-LCH	lch(42.39, 59.92, 30.54°)
OKLab	oklab(52.32% 0.1503 0.07)
OKLCH	oklch(52.32% 0.166 25)
XYZ	xyz(21.2094, 12.7515, 4.7120)
Luminance	0.1275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63535 #35B6B6

analogous

#B63575 #B63535 #B67535

triadic

#B63535 #35B635 #3535B6

tetradic

#B63535 #75B635 #35B6B6 #7535B6

square

#B63535 #75B635 #35B6B6 #7535B6

split-complementary

#B63535 #35B675 #3575B6

monochromatic

#571919 #872727 #B63535 #CF5959 #DD8989

Accessibility & contrast

On white

5.92

#B63535 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#B63535 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63535

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63535	#FFFFFF	#000000	##FFFFFF
##B63535	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5234

Deuteranopia (green-blind)

#7A6E31

Tritanopia (blue-blind)

#C80637

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63535;
/* rgb */ color: rgb(182, 53, 53);
/* oklch */ color: oklch(52.3% 0.166 25.0);

Tailwind

colors: {
  custom: {
    50: '#d4756c',
    500: '#b63535',
    950: '#000000',
  },
}

SCSS

$custom: #b63535;
$custom-light: #d4756c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63535",
  "rgb": {
    "r": 182,
    "g": 53,
    "b": 53
  },
  "hsl": {
    "h": 0,
    "s": 54.894,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52323,
    "c": 0.16582,
    "h": 25
  },
  "luminance": 0.12748
}

Semantic roles & 50–950 ramp

primary

#B63535

secondary

#80C7C7

accent

#DEDE4A

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63535

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

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