#6640BF#6640BF

#6640BF is a mid, vivid violet. Relative luminance 0.103; OKLCH L 48.8% C 0.188 H 291.6°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#6640BF
RGB	rgb(102, 64, 191)
HSL	hsl(258, 50%, 50%)
HSV	hsv(258, 66%, 75%)
CMYK	cmyk(46.6%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(38.29, 46.11, -61.08)
CIE-LCH	lch(38.29, 76.53, 307.05°)
OKLab	oklab(48.8% 0.0694 -0.1749)
OKLCH	oklch(48.8% 0.188 291.6)
XYZ	xyz(16.7142, 10.2526, 50.3784)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.42

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6640BF #99BF40

analogous

#4059BF #6640BF #A640BF

triadic

#6640BF #BF6640 #40BF66

tetradic

#6640BF #BF4059 #99BF40 #40BFA6

square

#6640BF #BF4059 #99BF40 #40BFA6

split-complementary

#6640BF #BFA640 #59BF40

monochromatic

#352163 #4E3191 #6640BF #8B6ECE #AF9CDE

Accessibility & contrast

On white

6.88

#6640BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#6640BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6640BF

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6640BF	#FFFFFF	#000000	##FFFFFF
##6640BF	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#4B5F7A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #6640bf;
/* rgb */ color: rgb(102, 64, 191);
/* oklch */ color: oklch(48.8% 0.188 291.6);

Tailwind

colors: {
  custom: {
    50: '#9977d3',
    500: '#6640bf',
    950: '#000000',
  },
}

SCSS

$custom: #6640bf;
$custom-light: #9977d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6640bf",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 257.953,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.48804,
    "c": 0.18812,
    "h": 291.6
  },
  "luminance": 0.10253
}

Semantic roles & 50–950 ramp

primary

#6640BF

secondary

#B9CA91

accent

#D94EB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0914

muted

#7E7B83

Preview Lab

Preview with #6640BF

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

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