#684CB3#684CB3

#684CB3 is a mid, vivid violet. Relative luminance 0.114; OKLCH L 50.0% C 0.157 H 292.3°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#684CB3
RGB	rgb(104, 76, 179)
HSL	hsl(256, 40%, 50%)
HSV	hsv(256, 58%, 70%)
CMYK	cmyk(41.9%, 57.5%, 0%, 29.8%)
CIE-LAB	lab(40.19, 36.32, -50.95)
CIE-LCH	lch(40.19, 62.57, 305.48°)
OKLab	oklab(49.96% 0.0595 -0.145)
OKLCH	oklch(49.96% 0.157 292.3)
XYZ	xyz(16.4278, 11.3661, 43.9674)
Luminance	0.1137 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684CB3 #97B34C

analogous

#4C63B3 #684CB3 #9C4CB3

triadic

#684CB3 #B3684C #4CB368

tetradic

#684CB3 #B34C63 #97B34C #4CB39C

square

#684CB3 #B34C63 #97B34C #4CB39C

split-complementary

#684CB3 #B39C4C #63B34C

monochromatic

#36285D #4F3A88 #684CB3 #8C77C5 #B0A2D7

Accessibility & contrast

On white

6.42

#684CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#684CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684CB3

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684CB3	#FFFFFF	#000000	##FFFFFF
##684CB3	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F60B6

Deuteranopia (green-blind)

#1A5DB1

Tritanopia (blue-blind)

#546278

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #684cb3;
/* rgb */ color: rgb(104, 76, 179);
/* oklch */ color: oklch(50.0% 0.157 292.3);

Tailwind

colors: {
  custom: {
    50: '#987fca',
    500: '#684cb3',
    950: '#000000',
  },
}

SCSS

$custom: #684cb3;
$custom-light: #987fca;
$custom-dark: #000000;

JSON

{
  "hex": "#684cb3",
  "rgb": {
    "r": 104,
    "g": 76,
    "b": 179
  },
  "hsl": {
    "h": 256.311,
    "s": 40.392,
    "l": 50
  },
  "oklch": {
    "l": 0.4996,
    "c": 0.15673,
    "h": 292.3
  },
  "luminance": 0.11367
}

Semantic roles & 50–950 ramp

primary

#684CB3

secondary

#B8C496

accent

#D058AF

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #684CB3

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

Preview Lab → · Contrast checker → · Palette generator →