#6640BB#6640BB

#6640BB is a mid, vivid violet. Relative luminance 0.101; OKLCH L 48.5% C 0.183 H 292.4°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#6640BB
RGB	rgb(102, 64, 187)
HSL	hsl(259, 49%, 49%)
HSV	hsv(259, 66%, 73%)
CMYK	cmyk(45.5%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(37.98, 44.99, -59.24)
CIE-LCH	lch(37.98, 74.38, 307.22°)
OKLab	oklab(48.49% 0.0699 -0.1694)
OKLCH	oklch(48.49% 0.183 292.4)
XYZ	xyz(16.2800, 10.0789, 48.0917)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.96

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6640BB #95BB40

analogous

#4057BB #6640BB #A440BB

triadic

#6640BB #BB6640 #40BB66

tetradic

#6640BB #BB4057 #95BB40 #40BBA4

square

#6640BB #BB4057 #95BB40 #40BBA4

split-complementary

#6640BB #BBA440 #57BB40

monochromatic

#342160 #4D308D #6640BB #8A6CCD #AE99DC

Accessibility & contrast

On white

6.96

#6640BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#6640BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6640BB

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6640BB	#FFFFFF	#000000	##FFFFFF
##6640BB	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0057B8

Tritanopia (blue-blind)

#4D5D78

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6640bb;
/* rgb */ color: rgb(102, 64, 187);
/* oklch */ color: oklch(48.5% 0.183 292.4);

Tailwind

colors: {
  custom: {
    50: '#9877d0',
    500: '#6640bb',
    950: '#000000',
  },
}

SCSS

$custom: #6640bb;
$custom-light: #9877d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6640bb",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 258.537,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48485,
    "c": 0.18328,
    "h": 292.4
  },
  "luminance": 0.10079
}

Semantic roles & 50–950 ramp

primary

#6640BB

secondary

#B6C88F

accent

#D94FAE

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0914

muted

#7E7B82

Preview Lab

Preview with #6640BB

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

Preview Lab → · Contrast checker → · Palette generator →