#6638BF#6638BF

#6638BF is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.7% C 0.198 H 293.0°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#6638BF
RGB	rgb(102, 56, 191)
HSL	hsl(260, 55%, 48%)
HSV	hsv(260, 71%, 75%)
CMYK	cmyk(46.6%, 70.7%, 0%, 25.1%)
CIE-LAB	lab(36.77, 50.31, -63.56)
CIE-LCH	lch(36.77, 81.06, 308.36°)
OKLab	oklab(47.72% 0.0772 -0.1821)
OKLCH	oklch(47.72% 0.198 293)
XYZ	xyz(16.2950, 9.4142, 50.2387)
Luminance	0.0941 (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

#6638BF #91BF38

analogous

#384EBF #6638BF #A938BF

triadic

#6638BF #BF6638 #38BF66

tetradic

#6638BF #BF384E #91BF38 #38BFA9

square

#6638BF #BF384E #91BF38 #38BFA9

split-complementary

#6638BF #BFA938 #4EBF38

monochromatic

#331C60 #4D2A90 #6638BF #8963D1 #AC92DF

Accessibility & contrast

On white

7.28

#6638BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#6638BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638BF

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638BF	#FFFFFF	#000000	##FFFFFF
##6638BF	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C3

Deuteranopia (green-blind)

#0054BC

Tritanopia (blue-blind)

#4B5A78

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6638bf;
/* rgb */ color: rgb(102, 56, 191);
/* oklch */ color: oklch(47.7% 0.198 293.0);

Tailwind

colors: {
  custom: {
    50: '#9972d3',
    500: '#6638bf',
    950: '#000000',
  },
}

SCSS

$custom: #6638bf;
$custom-light: #9972d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6638bf",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 191
  },
  "hsl": {
    "h": 260.444,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47715,
    "c": 0.1978,
    "h": 293
  },
  "luminance": 0.09415
}

Semantic roles & 50–950 ramp

primary

#6638BF

secondary

#B4CA89

accent

#DE4AAC

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0814

muted

#7F7B83

Preview Lab

Preview with #6638BF

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

Preview Lab → · Contrast checker → · Palette generator →