#663DAF#663DAF

#663DAF is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.1% C 0.173 H 295.5°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#663DAF
RGB	rgb(102, 61, 175)
HSL	hsl(262, 48%, 46%)
HSV	hsv(262, 65%, 69%)
CMYK	cmyk(41.7%, 65.1%, 0%, 31.4%)
CIE-LAB	lab(36.47, 43.32, -54.59)
CIE-LCH	lch(36.47, 69.69, 308.43°)
OKLab	oklab(47.11% 0.0745 -0.1558)
OKLCH	oklch(47.11% 0.173 295.5)
XYZ	xyz(14.8841, 9.2571, 41.5517)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663DAF #86AF3D

analogous

#3D4DAF #663DAF #9F3DAF

triadic

#663DAF #AF663D #3DAF66

tetradic

#663DAF #AF3D4D #86AF3D #3DAF9F

square

#663DAF #AF3D4D #86AF3D #3DAF9F

split-complementary

#663DAF #AF9F3D #4DAF3D

monochromatic

#311D54 #4C2D82 #663DAF #8661C8 #A98FD8

Accessibility & contrast

On white

7.36

#663DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#663DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663DAF

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663DAF	#FFFFFF	#000000	##FFFFFF
##663DAF	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B3

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#535770

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663daf;
/* rgb */ color: rgb(102, 61, 175);
/* oklch */ color: oklch(47.1% 0.173 295.5);

Tailwind

colors: {
  custom: {
    50: '#9775c8',
    500: '#663daf',
    950: '#000000',
  },
}

SCSS

$custom: #663daf;
$custom-light: #9775c8;
$custom-dark: #000000;

JSON

{
  "hex": "#663daf",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 175
  },
  "hsl": {
    "h": 261.579,
    "s": 48.305,
    "l": 46.275
  },
  "oklch": {
    "l": 0.47112,
    "c": 0.17267,
    "h": 295.5
  },
  "luminance": 0.09257
}

Semantic roles & 50–950 ramp

primary

#663DAF

secondary

#ADC385

accent

#D850A7

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663DAF

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

Preview Lab → · Contrast checker → · Palette generator →