#B63340#B63340

#B63340 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.167 H 19.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B63340
RGB	rgb(182, 51, 64)
HSL	hsl(354, 56%, 46%)
HSV	hsv(354, 72%, 71%)
CMYK	cmyk(0%, 72%, 64.8%, 28.6%)
CIE-LAB	lab(42.29, 52.96, 23.67)
CIE-LCH	lch(42.29, 58.01, 24.08°)
OKLab	oklab(52.3% 0.1569 0.0565)
OKLCH	oklch(52.3% 0.167 19.8)
XYZ	xyz(21.4029, 12.6860, 6.1711)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63340 #33B6A9

analogous

#B63381 #B63340 #B66733

triadic

#B63340 #40B633 #3340B6

tetradic

#B63340 #81B633 #33B6A9 #6733B6

square

#B63340 #81B633 #33B6A9 #6733B6

split-complementary

#B63340 #33B667 #3381B6

monochromatic

#56181E #86262F #B63340 #D05662 #DD868F

Accessibility & contrast

On white

5.94

#B63340 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B63340 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63340

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63340	#FFFFFF	#000000	##FFFFFF
##B63340	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)

#575240

Deuteranopia (green-blind)

#786E3C

Tritanopia (blue-blind)

#C80639

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b63340;
/* rgb */ color: rgb(182, 51, 64);
/* oklch */ color: oklch(52.3% 0.167 19.8);

Tailwind

colors: {
  custom: {
    50: '#d37474',
    500: '#b63340',
    950: '#000000',
  },
}

SCSS

$custom: #b63340;
$custom-light: #d37474;
$custom-dark: #000000;

JSON

{
  "hex": "#b63340",
  "rgb": {
    "r": 182,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 354.046,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52304,
    "c": 0.16677,
    "h": 19.8
  },
  "luminance": 0.12683
}

Semantic roles & 50–950 ramp

primary

#B63340

secondary

#7EC7C0

accent

#E0D148

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B63340

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

Preview Lab → · Contrast checker → · Palette generator →