#643ECF#643ECF

#643ECF is a mid, highly saturated violet. Relative luminance 0.107; OKLCH L 49.7% C 0.210 H 288.3°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#643ECF
RGB	rgb(100, 62, 207)
HSL	hsl(256, 60%, 53%)
HSV	hsv(256, 70%, 81%)
CMYK	cmyk(51.7%, 70%, 0%, 18.8%)
CIE-LAB	lab(39.00, 51.32, -69.25)
CIE-LCH	lch(39.00, 86.19, 306.54°)
OKLab	oklab(49.67% 0.0659 -0.1989)
OKLCH	oklch(49.67% 0.21 288.3)
XYZ	xyz(18.2373, 10.6587, 60.1158)
Luminance	0.1066 (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

#643ECF #A9CF3E

analogous

#3E60CF #643ECF #AC3ECF

triadic

#643ECF #CF643E #3ECF64

tetradic

#643ECF #CF3E60 #A9CF3E #3ECFAC

square

#643ECF #CF3E60 #A9CF3E #3ECFAC

split-complementary

#643ECF #CFAC3E #60CF3E

monochromatic

#341D75 #4A29A6 #643ECF #8B6FDB #B3A0E7

Accessibility & contrast

On white

6.70

#643ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#643ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ECF

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ECF	#FFFFFF	#000000	##FFFFFF
##643ECF	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FD3

Deuteranopia (green-blind)

#0058CC

Tritanopia (blue-blind)

#3C6482

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #643ecf;
/* rgb */ color: rgb(100, 62, 207);
/* oklch */ color: oklch(49.7% 0.210 288.3);

Tailwind

colors: {
  custom: {
    50: '#9a76df',
    500: '#643ecf',
    950: '#000000',
  },
}

SCSS

$custom: #643ecf;
$custom-light: #9a76df;
$custom-dark: #000000;

JSON

{
  "hex": "#643ecf",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 207
  },
  "hsl": {
    "h": 255.724,
    "s": 60.166,
    "l": 52.745
  },
  "oklch": {
    "l": 0.49665,
    "c": 0.20953,
    "h": 288.3
  },
  "luminance": 0.1066
}

Semantic roles & 50–950 ramp

primary

#643ECF

secondary

#C3D495

accent

#E344BA

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643ECF

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

Preview Lab → · Contrast checker → · Palette generator →