#6440D5#6440D5

#6440D5 is a mid, highly saturated violet. Relative luminance 0.112; OKLCH L 50.4% C 0.214 H 287.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#6440D5
RGB	rgb(100, 64, 213)
HSL	hsl(254, 64%, 54%)
HSV	hsv(254, 70%, 84%)
CMYK	cmyk(53.1%, 70%, 0%, 16.5%)
CIE-LAB	lab(39.88, 51.98, -71.27)
CIE-LCH	lch(39.88, 88.21, 306.11°)
OKLab	oklab(50.45% 0.063 -0.2048)
OKLCH	oklch(50.45% 0.214 287.1)
XYZ	xyz(19.0956, 11.1792, 64.0895)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6440D5 #B1D540

analogous

#4067D5 #6440D5 #AF40D5

triadic

#6440D5 #D56440 #40D564

tetradic

#6440D5 #D54067 #B1D540 #40D5AF

square

#6440D5 #D54067 #B1D540 #40D5AF

split-complementary

#6440D5 #D5AF40 #67D540

monochromatic

#341C7F #4827B1 #6440D5 #8D72E0 #B5A4EB

Accessibility & contrast

On white

6.49

#6440D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#6440D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440D5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440D5	#FFFFFF	#000000	##FFFFFF
##6440D5	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D9

Deuteranopia (green-blind)

#005AD2

Tritanopia (blue-blind)

#366786

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #6440d5;
/* rgb */ color: rgb(100, 64, 213);
/* oklch */ color: oklch(50.4% 0.214 287.1);

Tailwind

colors: {
  custom: {
    50: '#9b78e3',
    500: '#6440d5',
    950: '#000000',
  },
}

SCSS

$custom: #6440d5;
$custom-light: #9b78e3;
$custom-dark: #000000;

JSON

{
  "hex": "#6440d5",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 213
  },
  "hsl": {
    "h": 254.497,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50448,
    "c": 0.21431,
    "h": 287.1
  },
  "luminance": 0.1118
}

Semantic roles & 50–950 ramp

primary

#6440D5

secondary

#C9D899

accent

#E741BF

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #6440D5

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

Preview Lab → · Contrast checker → · Palette generator →