#663DB6#663DB6

#663DB6 is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.7% C 0.181 H 294.0°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#663DB6
RGB	rgb(102, 61, 182)
HSL	hsl(260, 50%, 48%)
HSV	hsv(260, 66%, 71%)
CMYK	cmyk(44%, 66.5%, 0%, 28.6%)
CIE-LAB	lab(37.00, 45.24, -57.89)
CIE-LCH	lch(37.00, 73.47, 308.01°)
OKLab	oklab(47.66% 0.0736 -0.1655)
OKLCH	oklch(47.66% 0.181 294)
XYZ	xyz(15.5894, 9.5392, 45.2668)
Luminance	0.0954 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DB6 #8DB63D

analogous

#3D50B6 #663DB6 #A33DB6

triadic

#663DB6 #B6663D #3DB666

tetradic

#663DB6 #B63D50 #8DB63D #3DB6A3

square

#663DB6 #B63D50 #8DB63D #3DB6A3

split-complementary

#663DB6 #B6A33D #50B63D

monochromatic

#331E5A #4C2E88 #663DB6 #8865CB #AB93DB

Accessibility & contrast

On white

7.22

#663DB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#663DB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DB6

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DB6	#FFFFFF	#000000	##FFFFFF
##663DB6	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BA

Deuteranopia (green-blind)

#0055B4

Tritanopia (blue-blind)

#505A74

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #663db6;
/* rgb */ color: rgb(102, 61, 182);
/* oklch */ color: oklch(47.7% 0.181 294.0);

Tailwind

colors: {
  custom: {
    50: '#9875cd',
    500: '#663db6',
    950: '#000000',
  },
}

SCSS

$custom: #663db6;
$custom-light: #9875cd;
$custom-dark: #000000;

JSON

{
  "hex": "#663db6",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 182
  },
  "hsl": {
    "h": 260.331,
    "s": 49.794,
    "l": 47.647
  },
  "oklch": {
    "l": 0.47658,
    "c": 0.18111,
    "h": 294
  },
  "luminance": 0.0954
}

Semantic roles & 50–950 ramp

primary

#663DB6

secondary

#B1C689

accent

#D94EAA

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DB6

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

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