#6643E7#6643E7

#6643E7 is a mid, highly saturated violet. Relative luminance 0.126; OKLCH L 52.6% C 0.232 H 285.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#6643E7
RGB	rgb(102, 67, 231)
HSL	hsl(253, 77%, 58%)
HSV	hsv(253, 71%, 91%)
CMYK	cmyk(55.8%, 71%, 0%, 9.4%)
CIE-LAB	lab(42.17, 55.84, -77.80)
CIE-LCH	lch(42.17, 95.76, 305.67°)
OKLab	oklab(52.59% 0.0599 -0.2239)
OKLCH	oklch(52.59% 0.232 285)
XYZ	xyz(21.9061, 12.6073, 76.8650)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6643E7 #C4E743

analogous

#4372E7 #6643E7 #B843E7

triadic

#6643E7 #E76643 #43E766

tetradic

#6643E7 #E74372 #C4E743 #43E7B8

square

#6643E7 #E74372 #C4E743 #43E7B8

split-complementary

#6643E7 #E7B843 #72E743

monochromatic

#31149C #421BD2 #6643E7 #9279EE #BEB0F5

Accessibility & contrast

On white

5.96

#6643E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#6643E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6643E7

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6643E7	#FFFFFF	#000000	##FFFFFF
##6643E7	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068EC

Deuteranopia (green-blind)

#005EE4

Tritanopia (blue-blind)

#266F91

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #6643e7;
/* rgb */ color: rgb(102, 67, 231);
/* oklch */ color: oklch(52.6% 0.232 285.0);

Tailwind

colors: {
  custom: {
    50: '#9e7af0',
    500: '#6643e7',
    950: '#000000',
  },
}

SCSS

$custom: #6643e7;
$custom-light: #9e7af0;
$custom-dark: #000000;

JSON

{
  "hex": "#6643e7",
  "rgb": {
    "r": 102,
    "g": 67,
    "b": 231
  },
  "hsl": {
    "h": 252.805,
    "s": 77.358,
    "l": 58.431
  },
  "oklch": {
    "l": 0.52591,
    "c": 0.23179,
    "h": 285
  },
  "luminance": 0.12609
}

Semantic roles & 50–950 ramp

primary

#6643E7

secondary

#D6E3A2

accent

#F434CB

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#100917

muted

#7F7B85

Preview Lab

Preview with #6643E7

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

Preview Lab → · Contrast checker → · Palette generator →