#B63B53#B63B53

#B63B53 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.158 H 12.8°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B63B53
RGB	rgb(182, 59, 83)
HSL	hsl(348, 51%, 47%)
HSV	hsv(348, 68%, 71%)
CMYK	cmyk(0%, 67.6%, 54.4%, 28.6%)
CIE-LAB	lab(43.80, 51.17, 13.95)
CIE-LCH	lch(43.80, 53.04, 15.25°)
OKLab	oklab(53.56% 0.1545 0.0351)
OKLCH	oklch(53.56% 0.158 12.8)
XYZ	xyz(22.4187, 13.7005, 9.6459)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63B53 #3BB69E

analogous

#B63B90 #B63B53 #B6613B

triadic

#B63B53 #53B63B #3B53B6

tetradic

#B63B53 #90B63B #3BB69E #613BB6

square

#B63B53 #90B63B #3BB69E #613BB6

split-complementary

#B63B53 #3BB661 #3B90B6

monochromatic

#5A1D29 #882C3E #B63B53 #CC6277 #DB909F

Accessibility & contrast

On white

5.62

#B63B53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63B53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63B53

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63B53	#FFFFFF	#000000	##FFFFFF
##B63B53	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595853

Deuteranopia (green-blind)

#797150

Tritanopia (blue-blind)

#C72345

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63b53;
/* rgb */ color: rgb(182, 59, 83);
/* oklch */ color: oklch(53.6% 0.158 12.8);

Tailwind

colors: {
  custom: {
    50: '#d27983',
    500: '#b63b53',
    950: '#000000',
  },
}

SCSS

$custom: #b63b53;
$custom-light: #d27983;
$custom-dark: #000000;

JSON

{
  "hex": "#b63b53",
  "rgb": {
    "r": 182,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 348.293,
    "s": 51.037,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53555,
    "c": 0.15843,
    "h": 12.8
  },
  "luminance": 0.13698
}

Semantic roles & 50–950 ramp

primary

#B63B53

secondary

#87C6BA

accent

#DBBF4D

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B63B53

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

Preview Lab → · Contrast checker → · Palette generator →