#B63D4E#B63D4E

#B63D4E is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.7% C 0.156 H 16.0°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B63D4E
RGB	rgb(182, 61, 78)
HSL	hsl(352, 50%, 48%)
HSV	hsv(352, 66%, 71%)
CMYK	cmyk(0%, 66.5%, 57.1%, 28.6%)
CIE-LAB	lab(44.00, 49.95, 17.30)
CIE-LCH	lch(44.00, 52.86, 19.10°)
OKLab	oklab(53.67% 0.1499 0.0428)
OKLCH	oklch(53.67% 0.156 16)
XYZ	xyz(22.3373, 13.8356, 8.7005)
Luminance	0.1383 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D4E #3DB6A5

analogous

#B63D8B #B63D4E #B6683D

triadic

#B63D4E #4EB63D #3D4EB6

tetradic

#B63D4E #8BB63D #3DB6A5 #683DB6

square

#B63D4E #8BB63D #3DB6A5 #683DB6

split-complementary

#B63D4E #3DB668 #3D8BB6

monochromatic

#5A1E27 #882E3A #B63D4E #CB6573 #DB939D

Accessibility & contrast

On white

5.58

#B63D4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B63D4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D4E

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D4E	#FFFFFF	#000000	##FFFFFF
##B63D4E	1.00	5.58	3.77	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584E

Deuteranopia (green-blind)

#7A714B

Tritanopia (blue-blind)

#C72444

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63d4e;
/* rgb */ color: rgb(182, 61, 78);
/* oklch */ color: oklch(53.7% 0.156 16.0);

Tailwind

colors: {
  custom: {
    50: '#d27a7f',
    500: '#b63d4e',
    950: '#000000',
  },
}

SCSS

$custom: #b63d4e;
$custom-light: #d27a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d4e",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 351.57,
    "s": 49.794,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53666,
    "c": 0.15588,
    "h": 16
  },
  "luminance": 0.13833
}

Semantic roles & 50–950 ramp

primary

#B63D4E

secondary

#89C6BD

accent

#D9C64E

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A0A

muted

#837C7C

Preview Lab

Preview with #B63D4E

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

Preview Lab → · Contrast checker → · Palette generator →