#63189E#63189E

#63189E is a dark, vivid violet. Relative luminance 0.058; OKLCH L 41.2% C 0.195 H 303.6°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#63189E
RGB	rgb(99, 24, 158)
HSL	hsl(274, 74%, 36%)
HSV	hsv(274, 85%, 62%)
CMYK	cmyk(37.3%, 84.8%, 0%, 38%)
CIE-LAB	lab(28.84, 55.05, -56.82)
CIE-LCH	lch(28.84, 79.12, 314.09°)
OKLab	oklab(41.19% 0.1079 -0.1622)
OKLCH	oklch(41.19% 0.195 303.6)
XYZ	xyz(11.6423, 5.7746, 32.8424)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63189E #539E18

analogous

#20189E #63189E #9E1896

triadic

#63189E #9E6318 #189E63

tetradic

#63189E #9E2018 #539E18 #18969E

square

#63189E #9E2018 #539E18 #18969E

split-complementary

#63189E #969E18 #189E20

monochromatic

#200834 #421069 #63189E #8420D3 #A14DE4

Accessibility & contrast

On white

9.74

#63189E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#63189E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63189E

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63189E	#FFFFFF	#000000	##FFFFFF
##63189E	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00449C

Tritanopia (blue-blind)

#573F5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #63189e;
/* rgb */ color: rgb(99, 24, 158);
/* oklch */ color: oklch(41.2% 0.195 303.6);

Tailwind

colors: {
  custom: {
    50: '#9661bc',
    500: '#63189e',
    950: '#000000',
  },
}

SCSS

$custom: #63189e;
$custom-light: #9661bc;
$custom-dark: #000000;

JSON

{
  "hex": "#63189e",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 158
  },
  "hsl": {
    "h": 273.582,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.41193,
    "c": 0.19483,
    "h": 303.6
  },
  "luminance": 0.05775
}

Semantic roles & 50–950 ramp

primary

#63189E

secondary

#82C64C

accent

#F03889

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #63189E

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

Preview Lab → · Contrast checker → · Palette generator →