#6440D8#6440D8

#6440D8 is a mid, highly saturated violet. Relative luminance 0.113; OKLCH L 50.7% C 0.218 H 286.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#6440D8
RGB	rgb(100, 64, 216)
HSL	hsl(254, 66%, 55%)
HSV	hsv(254, 70%, 85%)
CMYK	cmyk(53.7%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(40.14, 52.83, -72.57)
CIE-LCH	lch(40.14, 89.77, 306.05°)
OKLab	oklab(50.71% 0.0624 -0.2087)
OKLCH	oklch(50.71% 0.218 286.7)
XYZ	xyz(19.4799, 11.3330, 66.1135)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6440D8 #B4D840

analogous

#4068D8 #6440D8 #B040D8

triadic

#6440D8 #D86440 #40D864

tetradic

#6440D8 #D84068 #B4D840 #40D8B0

square

#6440D8 #D84068 #B4D840 #40D8B0

split-complementary

#6440D8 #D8B040 #68D840

monochromatic

#331B83 #4725B6 #6440D8 #8D73E2 #B6A6ED

Accessibility & contrast

On white

6.43

#6440D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#6440D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6440D8

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6440D8	#FFFFFF	#000000	##FFFFFF
##6440D8	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DD

Deuteranopia (green-blind)

#005AD5

Tritanopia (blue-blind)

#336888

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #6440d8;
/* rgb */ color: rgb(100, 64, 216);
/* oklch */ color: oklch(50.7% 0.218 286.7);

Tailwind

colors: {
  custom: {
    50: '#9b78e5',
    500: '#6440d8',
    950: '#000000',
  },
}

SCSS

$custom: #6440d8;
$custom-light: #9b78e5;
$custom-dark: #000000;

JSON

{
  "hex": "#6440d8",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 254.211,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50708,
    "c": 0.21781,
    "h": 286.7
  },
  "luminance": 0.11334
}

Semantic roles & 50–950 ramp

primary

#6440D8

secondary

#CBDA9A

accent

#E93FC1

background

#FAF7FE

surface

#F4EDFC

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #6440D8

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

Preview Lab → · Contrast checker → · Palette generator →