#B63F4F#B63F4F

#B63F4F is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.9% C 0.154 H 16.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B63F4F
RGB	rgb(182, 63, 79)
HSL	hsl(352, 49%, 48%)
HSV	hsv(352, 65%, 71%)
CMYK	cmyk(0%, 65.4%, 56.6%, 28.6%)
CIE-LAB	lab(44.33, 49.18, 17.13)
CIE-LCH	lch(44.33, 52.08, 19.21°)
OKLab	oklab(53.92% 0.1476 0.0425)
OKLCH	oklch(53.92% 0.154 16.1)
XYZ	xyz(22.4822, 14.0676, 8.9271)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F4F #3FB6A6

analogous

#B63F8A #B63F4F #B66B3F

triadic

#B63F4F #4FB63F #3F4FB6

tetradic

#B63F4F #8AB63F #3FB6A6 #6B3FB6

square

#B63F4F #8AB63F #3FB6A6 #6B3FB6

split-complementary

#B63F4F #3FB66B #3F8AB6

monochromatic

#5B2028 #892F3B #B63F4F #CB6875 #DA959E

Accessibility & contrast

On white

5.51

#B63F4F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B63F4F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F4F

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F4F	#FFFFFF	#000000	##FFFFFF
##B63F4F	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594F

Deuteranopia (green-blind)

#7B724C

Tritanopia (blue-blind)

#C72845

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b63f4f;
/* rgb */ color: rgb(182, 63, 79);
/* oklch */ color: oklch(53.9% 0.154 16.1);

Tailwind

colors: {
  custom: {
    50: '#d27b80',
    500: '#b63f4f',
    950: '#000000',
  },
}

SCSS

$custom: #b63f4f;
$custom-light: #d27b80;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f4f",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 79
  },
  "hsl": {
    "h": 351.933,
    "s": 48.571,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53921,
    "c": 0.15358,
    "h": 16.1
  },
  "luminance": 0.14065
}

Semantic roles & 50–950 ramp

primary

#B63F4F

secondary

#8BC6BE

accent

#D8C650

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63F4F

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

Preview Lab → · Contrast checker → · Palette generator →