#B63E4B#B63E4B

#B63E4B is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.7% C 0.155 H 17.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B63E4B
RGB	rgb(182, 62, 75)
HSL	hsl(354, 49%, 48%)
HSV	hsv(354, 66%, 71%)
CMYK	cmyk(0%, 65.9%, 58.8%, 28.6%)
CIE-LAB	lab(44.09, 49.31, 19.27)
CIE-LCH	lch(44.09, 52.94, 21.34°)
OKLab	oklab(53.72% 0.1473 0.0473)
OKLCH	oklch(53.72% 0.155 17.8)
XYZ	xyz(22.2861, 13.9013, 8.1649)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63E4B #3EB6A9

analogous

#B63E87 #B63E4B #B66D3E

triadic

#B63E4B #4BB63E #3E4BB6

tetradic

#B63E4B #87B63E #3EB6A9 #6D3EB6

square

#B63E4B #87B63E #3EB6A9 #6D3EB6

split-complementary

#B63E4B #3EB66D #3E87B6

monochromatic

#5B1F25 #882E38 #B63E4B #CB6671 #DB949C

Accessibility & contrast

On white

5.56

#B63E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B63E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63E4B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63E4B	#FFFFFF	#000000	##FFFFFF
##B63E4B	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C584B

Deuteranopia (green-blind)

#7B7248

Tritanopia (blue-blind)

#C72543

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63e4b;
/* rgb */ color: rgb(182, 62, 75);
/* oklch */ color: oklch(53.7% 0.155 17.8);

Tailwind

colors: {
  custom: {
    50: '#d27a7d',
    500: '#b63e4b',
    950: '#000000',
  },
}

SCSS

$custom: #b63e4b;
$custom-light: #d27a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63e4b",
  "rgb": {
    "r": 182,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 353.5,
    "s": 49.18,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53717,
    "c": 0.15473,
    "h": 17.8
  },
  "luminance": 0.13898
}

Semantic roles & 50–950 ramp

primary

#B63E4B

secondary

#8AC6BF

accent

#D9CA4F

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B63E4B

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

Preview Lab → · Contrast checker → · Palette generator →