#6643DC#6643DC

#6643DC is a mid, highly saturated violet. Relative luminance 0.120; OKLCH L 51.6% C 0.219 H 286.4°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#6643DC
RGB	rgb(102, 67, 220)
HSL	hsl(254, 69%, 56%)
HSV	hsv(254, 70%, 86%)
CMYK	cmyk(53.6%, 69.5%, 0%, 13.7%)
CIE-LAB	lab(41.22, 52.71, -73.07)
CIE-LCH	lch(41.22, 90.10, 305.81°)
OKLab	oklab(51.63% 0.062 -0.2101)
OKLCH	oklch(51.63% 0.219 286.4)
XYZ	xyz(20.4011, 12.0053, 68.9385)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6643DC #B9DC43

analogous

#436DDC #6643DC #B243DC

triadic

#6643DC #DC6643 #43DC66

tetradic

#6643DC #DC436D #B9DC43 #43DCB2

square

#6643DC #DC436D #B9DC43 #43DCB2

split-complementary

#6643DC #DCB243 #6DDC43

monochromatic

#341A8B #4723BE #6643DC #9077E6 #BAAAEF

Accessibility & contrast

On white

6.17

#6643DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#6643DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6643DC

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6643DC	#FFFFFF	#000000	##FFFFFF
##6643DC	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E1

Deuteranopia (green-blind)

#005DD9

Tritanopia (blue-blind)

#346B8B

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #6643dc;
/* rgb */ color: rgb(102, 67, 220);
/* oklch */ color: oklch(51.6% 0.219 286.4);

Tailwind

colors: {
  custom: {
    50: '#9d7ae8',
    500: '#6643dc',
    950: '#000000',
  },
}

SCSS

$custom: #6643dc;
$custom-light: #9d7ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#6643dc",
  "rgb": {
    "r": 102,
    "g": 67,
    "b": 220
  },
  "hsl": {
    "h": 253.725,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.51633,
    "c": 0.21904,
    "h": 286.4
  },
  "luminance": 0.12006
}

Semantic roles & 50–950 ramp

primary

#6643DC

secondary

#CEDD9E

accent

#EB3CC3

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #6643DC

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

Preview Lab → · Contrast checker → · Palette generator →