#63189B#63189B

#63189B is a dark, vivid violet. Relative luminance 0.057; OKLCH L 40.9% C 0.192 H 304.5°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#63189B
RGB	rgb(99, 24, 155)
HSL	hsl(274, 73%, 35%)
HSV	hsv(274, 85%, 61%)
CMYK	cmyk(36.1%, 84.5%, 0%, 39.2%)
CIE-LAB	lab(28.57, 54.37, -55.43)
CIE-LCH	lch(28.57, 77.65, 314.45°)
OKLab	oklab(40.93% 0.1089 -0.1581)
OKLCH	oklch(40.93% 0.192 304.5)
XYZ	xyz(11.3873, 5.6725, 31.4990)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63189B #509B18

analogous

#21189B #63189B #9B1891

triadic

#63189B #9B6318 #189B63

tetradic

#63189B #9B2118 #509B18 #18919B

square

#63189B #9B2118 #509B18 #18919B

split-complementary

#63189B #919B18 #189B21

monochromatic

#1F0831 #411066 #63189B #8520D0 #A24AE3

Accessibility & contrast

On white

9.84

#63189B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#63189B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63189B

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63189B	#FFFFFF	#000000	##FFFFFF
##63189B	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#583D5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #63189b;
/* rgb */ color: rgb(99, 24, 155);
/* oklch */ color: oklch(40.9% 0.192 304.5);

Tailwind

colors: {
  custom: {
    50: '#9561b9',
    500: '#63189b',
    950: '#000000',
  },
}

SCSS

$custom: #63189b;
$custom-light: #9561b9;
$custom-dark: #000000;

JSON

{
  "hex": "#63189b",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 155
  },
  "hsl": {
    "h": 274.351,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40928,
    "c": 0.19198,
    "h": 304.5
  },
  "luminance": 0.05672
}

Semantic roles & 50–950 ramp

primary

#63189B

secondary

#7FC54A

accent

#F03887

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0512

muted

#7E7A81

Preview Lab

Preview with #63189B

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

Preview Lab → · Contrast checker → · Palette generator →