#684CB1#684CB1

#684CB1 is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.8% C 0.154 H 292.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#684CB1
RGB	rgb(104, 76, 177)
HSL	hsl(257, 40%, 50%)
HSV	hsv(257, 57%, 69%)
CMYK	cmyk(41.2%, 57.1%, 0%, 30.6%)
CIE-LAB	lab(40.06, 35.75, -49.98)
CIE-LCH	lch(40.06, 61.45, 305.57°)
OKLab	oklab(49.82% 0.0595 -0.1422)
OKLCH	oklch(49.82% 0.154 292.7)
XYZ	xyz(16.2270, 11.2858, 42.9099)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684CB1 #95B14C

analogous

#4C62B1 #684CB1 #9B4CB1

triadic

#684CB1 #B1684C #4CB168

tetradic

#684CB1 #B14C62 #95B14C #4CB19B

square

#684CB1 #B14C62 #95B14C #4CB19B

split-complementary

#684CB1 #B19B4C #62B14C

monochromatic

#36275B #4F3A86 #684CB1 #8C76C4 #B0A1D7

Accessibility & contrast

On white

6.45

#684CB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#684CB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684CB1

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684CB1	#FFFFFF	#000000	##FFFFFF
##684CB1	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1460B4

Deuteranopia (green-blind)

#1E5CAF

Tritanopia (blue-blind)

#546277

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #684cb1;
/* rgb */ color: rgb(104, 76, 177);
/* oklch */ color: oklch(49.8% 0.154 292.7);

Tailwind

colors: {
  custom: {
    50: '#987fc9',
    500: '#684cb1',
    950: '#000000',
  },
}

SCSS

$custom: #684cb1;
$custom-light: #987fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#684cb1",
  "rgb": {
    "r": 104,
    "g": 76,
    "b": 177
  },
  "hsl": {
    "h": 256.634,
    "s": 39.921,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4982,
    "c": 0.15411,
    "h": 292.7
  },
  "luminance": 0.11286
}

Semantic roles & 50–950 ramp

primary

#684CB1

secondary

#B7C395

accent

#D058AF

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #684CB1

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

Preview Lab → · Contrast checker → · Palette generator →