#643BEE#643BEE

#643BEE is a mid, highly saturated violet. Relative luminance 0.120; OKLCH L 52.1% C 0.248 H 284.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#643BEE
RGB	rgb(100, 59, 238)
HSL	hsl(254, 84%, 58%)
HSV	hsv(254, 75%, 93%)
CMYK	cmyk(58%, 75.2%, 0%, 6.7%)
CIE-LAB	lab(41.23, 61.46, -83.30)
CIE-LCH	lch(41.23, 103.52, 306.42°)
OKLab	oklab(52.08% 0.0611 -0.24)
OKLCH	oklch(52.08% 0.248 284.3)
XYZ	xyz(22.2474, 12.0089, 82.0180)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BEE #C5EE3B

analogous

#3B6BEE #643BEE #BD3BEE

triadic

#643BEE #EE643B #3BEE64

tetradic

#643BEE #EE3B6B #C5EE3B #3BEEBD

square

#643BEE #EE3B6B #C5EE3B #3BEEBD

split-complementary

#643BEE #EEBD3B #6BEE3B

monochromatic

#300EA1 #4013D9 #643BEE #9173F3 #BDACF8

Accessibility & contrast

On white

6.17

#643BEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#643BEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643BEE

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BEE	#FFFFFF	#000000	##FFFFFF
##643BEE	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)

#0066F3

Deuteranopia (green-blind)

#005BEB

Tritanopia (blue-blind)

#0C6E93

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #643bee;
/* rgb */ color: rgb(100, 59, 238);
/* oklch */ color: oklch(52.1% 0.248 284.3);

Tailwind

colors: {
  custom: {
    50: '#9f76f5',
    500: '#643bee',
    950: '#000000',
  },
}

SCSS

$custom: #643bee;
$custom-light: #9f76f5;
$custom-dark: #000000;

JSON

{
  "hex": "#643bee",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 238
  },
  "hsl": {
    "h": 253.743,
    "s": 84.038,
    "l": 58.235
  },
  "oklch": {
    "l": 0.52079,
    "c": 0.2477,
    "h": 284.3
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary

#643BEE

secondary

#D6E69F

accent

#FA2DCB

background

#FAF7FF

surface

#F4EDFF

border

#CEC8D7

text

#100917

muted

#7F7B85

Preview Lab

Preview with #643BEE

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

Preview Lab → · Contrast checker → · Palette generator →