#B63040#B63040

#B63040 is a mid, vivid red. Relative luminance 0.124; OKLCH L 52.0% C 0.170 H 19.0°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B63040
RGB	rgb(182, 48, 64)
HSL	hsl(353, 58%, 45%)
HSV	hsv(353, 74%, 71%)
CMYK	cmyk(0%, 73.6%, 64.8%, 28.6%)
CIE-LAB	lab(41.90, 54.04, 23.17)
CIE-LCH	lch(41.90, 58.80, 23.21°)
OKLab	oklab(52.01% 0.1604 0.0553)
OKLCH	oklch(52.01% 0.17 19)
XYZ	xyz(21.2760, 12.4323, 6.1289)
Luminance	0.1243 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63040 #30B6A6

analogous

#B63083 #B63040 #B66330

triadic

#B63040 #40B630 #3040B6

tetradic

#B63040 #83B630 #30B6A6 #6330B6

square

#B63040 #83B630 #30B6A6 #6330B6

split-complementary

#B63040 #30B663 #3083B6

monochromatic

#55161E #86232F #B63040 #D15261 #DE828D

Accessibility & contrast

On white

6.02

#B63040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B63040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63040

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63040	#FFFFFF	#000000	##FFFFFF
##B63040	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555140

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C80037

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63040;
/* rgb */ color: rgb(182, 48, 64);
/* oklch */ color: oklch(52.0% 0.170 19.0);

Tailwind

colors: {
  custom: {
    50: '#d37374',
    500: '#b63040',
    950: '#000000',
  },
}

SCSS

$custom: #b63040;
$custom-light: #d37374;
$custom-dark: #000000;

JSON

{
  "hex": "#b63040",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 352.836,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52013,
    "c": 0.16965,
    "h": 19
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#B63040

secondary

#7BC7BE

accent

#E1CF46

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B63040

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

Preview Lab → · Contrast checker → · Palette generator →