#63278B#63278B

#63278B is a dark, vivid violet. Relative luminance 0.060; OKLCH L 41.1% C 0.160 H 308.3°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#63278B
RGB	rgb(99, 39, 139)
HSL	hsl(276, 56%, 35%)
HSV	hsv(276, 72%, 55%)
CMYK	cmyk(28.8%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(29.33, 44.75, -44.34)
CIE-LCH	lch(29.33, 63.00, 315.26°)
OKLab	oklab(41.06% 0.0993 -0.1257)
OKLCH	oklch(41.06% 0.16 308.3)
XYZ	xyz(10.5304, 5.9679, 25.0183)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63278B #4F8B27

analogous

#31278B #63278B #8B2781

triadic

#63278B #8B6327 #278B63

tetradic

#63278B #8B3127 #4F8B27 #27818B

square

#63278B #8B3127 #4F8B27 #27818B

split-complementary

#63278B #818B27 #278B31

monochromatic

#1F0C2B #411A5B #63278B #8534BB #A25BD1

Accessibility & contrast

On white

9.57

#63278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#63278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63278B

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63278B	#FFFFFF	#000000	##FFFFFF
##63278B	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#0E4689

Tritanopia (blue-blind)

#5D3D56

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #63278b;
/* rgb */ color: rgb(99, 39, 139);
/* oklch */ color: oklch(41.1% 0.160 308.3);

Tailwind

colors: {
  custom: {
    50: '#9366ae',
    500: '#63278b',
    950: '#000000',
  },
}

SCSS

$custom: #63278b;
$custom-light: #9366ae;
$custom-dark: #000000;

JSON

{
  "hex": "#63278b",
  "rgb": {
    "r": 99,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 276,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.41058,
    "c": 0.16017,
    "h": 308.3
  },
  "luminance": 0.05968
}

Semantic roles & 50–950 ramp

primary

#63278B

secondary

#7DB658

accent

#DF4885

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #63278B

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

Preview Lab → · Contrast checker → · Palette generator →