#B63E4F#B63E4F

#B63E4F is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.155 H 15.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#B63E4F
RGB	rgb(182, 62, 79)
HSL	hsl(352, 49%, 48%)
HSV	hsv(352, 66%, 71%)
CMYK	cmyk(0%, 65.9%, 56.6%, 28.6%)
CIE-LAB	lab(44.17, 49.61, 16.92)
CIE-LCH	lch(44.17, 52.41, 18.83°)
OKLab	oklab(53.8% 0.1489 0.042)
OKLCH	oklch(53.8% 0.155 15.7)
XYZ	xyz(22.4273, 13.9578, 8.9088)
Luminance	0.1396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E4F #3EB6A5

analogous

#B63E8B #B63E4F #B6693E

triadic

#B63E4F #4FB63E #3E4FB6

tetradic

#B63E4F #8BB63E #3EB6A5 #693EB6

square

#B63E4F #8BB63E #3EB6A5 #693EB6

split-complementary

#B63E4F #3EB669 #3E8BB6

monochromatic

#5B1F27 #882E3B #B63E4F #CB6675 #DB949E

Accessibility & contrast

On white

5.54

#B63E4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B63E4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E4F

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E4F	#FFFFFF	#000000	##FFFFFF
##B63E4F	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594F

Deuteranopia (green-blind)

#7A724C

Tritanopia (blue-blind)

#C72645

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e4f;
/* rgb */ color: rgb(182, 62, 79);
/* oklch */ color: oklch(53.8% 0.155 15.7);

Tailwind

colors: {
  custom: {
    50: '#d27a80',
    500: '#b63e4f',
    950: '#000000',
  },
}

SCSS

$custom: #b63e4f;
$custom-light: #d27a80;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e4f",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 79
  },
  "hsl": {
    "h": 351.5,
    "s": 49.18,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53804,
    "c": 0.15474,
    "h": 15.7
  },
  "luminance": 0.13955
}

Semantic roles & 50–950 ramp

primary

#B63E4F

secondary

#8AC6BD

accent

#D9C54F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63E4F

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

Preview Lab → · Contrast checker → · Palette generator →