#B5353B#B5353B

#B5353B is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.164 H 22.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B5353B
RGB	rgb(181, 53, 59)
HSL	hsl(357, 55%, 46%)
HSV	hsv(357, 71%, 71%)
CMYK	cmyk(0%, 70.7%, 67.4%, 29%)
CIE-LAB	lab(42.29, 51.60, 26.69)
CIE-LCH	lch(42.29, 58.09, 27.35°)
OKLab	oklab(52.25% 0.1517 0.0627)
OKLCH	oklch(52.25% 0.164 22.4)
XYZ	xyz(21.1208, 12.6888, 5.4739)
Luminance	0.1269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5353B #35B5AF

analogous

#B5357B #B5353B #B56F35

triadic

#B5353B #3BB535 #353BB5

tetradic

#B5353B #7BB535 #35B5AF #6F35B5

square

#B5353B #7BB535 #35B5AF #6F35B5

split-complementary

#B5353B #35B56F #357BB5

monochromatic

#56191C #86272C #B5353B #CE595E #DC888C

Accessibility & contrast

On white

5.94

#B5353B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B5353B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5353B

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5353B	#FFFFFF	#000000	##FFFFFF
##B5353B	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59523A

Deuteranopia (green-blind)

#796E37

Tritanopia (blue-blind)

#C70B38

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5353b;
/* rgb */ color: rgb(181, 53, 59);
/* oklch */ color: oklch(52.2% 0.164 22.4);

Tailwind

colors: {
  custom: {
    50: '#d37571',
    500: '#b5353b',
    950: '#000000',
  },
}

SCSS

$custom: #b5353b;
$custom-light: #d37571;
$custom-dark: #000000;

JSON

{
  "hex": "#b5353b",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 59
  },
  "hsl": {
    "h": 357.188,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52246,
    "c": 0.16412,
    "h": 22.4
  },
  "luminance": 0.12686
}

Semantic roles & 50–950 ramp

primary

#B5353B

secondary

#80C6C3

accent

#DED74A

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B5353B

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

Preview Lab → · Contrast checker → · Palette generator →