#63309B#63309B

#63309B is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.4% C 0.166 H 301.6°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#63309B
RGB	rgb(99, 48, 155)
HSL	hsl(269, 53%, 40%)
HSV	hsv(269, 69%, 61%)
CMYK	cmyk(36.1%, 69%, 0%, 39.2%)
CIE-LAB	lab(32.11, 44.29, -49.67)
CIE-LCH	lch(32.11, 66.55, 311.72°)
OKLab	oklab(43.42% 0.0871 -0.1414)
OKLCH	oklch(43.42% 0.166 301.6)
XYZ	xyz(12.1175, 7.1331, 31.7424)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63309B #689B30

analogous

#30339B #63309B #98309B

triadic

#63309B #9B6330 #309B63

tetradic

#63309B #9B3033 #689B30 #309B98

square

#63309B #9B3033 #689B30 #309B98

split-complementary

#63309B #9B9830 #339B30

monochromatic

#27133E #45226C #63309B #8143C5 #A072D3

Accessibility & contrast

On white

8.65

#63309B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#63309B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63309B

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63309B	#FFFFFF	#000000	##FFFFFF
##63309B	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#574961

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #63309b;
/* rgb */ color: rgb(99, 48, 155);
/* oklch */ color: oklch(43.4% 0.166 301.6);

Tailwind

colors: {
  custom: {
    50: '#946cb9',
    500: '#63309b',
    950: '#000000',
  },
}

SCSS

$custom: #63309b;
$custom-light: #946cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#63309b",
  "rgb": {
    "r": 99,
    "g": 48,
    "b": 155
  },
  "hsl": {
    "h": 268.598,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43419,
    "c": 0.16605,
    "h": 301.6
  },
  "luminance": 0.07133
}

Semantic roles & 50–950 ramp

primary

#63309B

secondary

#95BB6C

accent

#DC4C97

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #63309B

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

Preview Lab → · Contrast checker → · Palette generator →