#684CB5#684CB5

#684CB5 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.1% C 0.159 H 291.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#684CB5
RGB	rgb(104, 76, 181)
HSL	hsl(256, 42%, 50%)
HSV	hsv(256, 58%, 71%)
CMYK	cmyk(42.5%, 58%, 0%, 29%)
CIE-LAB	lab(40.32, 36.89, -51.91)
CIE-LCH	lch(40.32, 63.68, 305.40°)
OKLab	oklab(50.1% 0.0595 -0.1478)
OKLCH	oklch(50.1% 0.159 291.9)
XYZ	xyz(16.6316, 11.4476, 45.0404)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684CB5 #99B54C

analogous

#4C64B5 #684CB5 #9C4CB5

triadic

#684CB5 #B5684C #4CB568

tetradic

#684CB5 #B54C64 #99B54C #4CB59C

square

#684CB5 #B54C64 #99B54C #4CB59C

split-complementary

#684CB5 #B59C4C #64B54C

monochromatic

#36275F #4F398B #684CB5 #8D77C7 #B1A3D9

Accessibility & contrast

On white

6.38

#684CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#684CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684CB5

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684CB5	#FFFFFF	#000000	##FFFFFF
##684CB5	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0861B8

Deuteranopia (green-blind)

#155DB3

Tritanopia (blue-blind)

#536379

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #684cb5;
/* rgb */ color: rgb(104, 76, 181);
/* oklch */ color: oklch(50.1% 0.159 291.9);

Tailwind

colors: {
  custom: {
    50: '#987fcc',
    500: '#684cb5',
    950: '#000000',
  },
}

SCSS

$custom: #684cb5;
$custom-light: #987fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#684cb5",
  "rgb": {
    "r": 104,
    "g": 76,
    "b": 181
  },
  "hsl": {
    "h": 256,
    "s": 41.502,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50101,
    "c": 0.15935,
    "h": 291.9
  },
  "luminance": 0.11448
}

Semantic roles & 50–950 ramp

primary

#684CB5

secondary

#B9C697

accent

#D156B1

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #684CB5

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

Preview Lab → · Contrast checker → · Palette generator →