#684EB3#684EB3

#684EB3 is a mid, vivid violet. Relative luminance 0.116; OKLCH L 50.3% C 0.154 H 291.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#684EB3
RGB	rgb(104, 78, 179)
HSL	hsl(255, 40%, 50%)
HSV	hsv(255, 56%, 70%)
CMYK	cmyk(41.9%, 56.4%, 0%, 29.8%)
CIE-LAB	lab(40.65, 35.13, -50.21)
CIE-LCH	lch(40.65, 61.28, 304.98°)
OKLab	oklab(50.3% 0.0571 -0.1428)
OKLCH	oklch(50.3% 0.154 291.8)
XYZ	xyz(16.5678, 11.6460, 44.0141)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684EB3 #99B34E

analogous

#4E66B3 #684EB3 #9B4EB3

triadic

#684EB3 #B3684E #4EB368

tetradic

#684EB3 #B34E66 #99B34E #4EB39B

square

#684EB3 #B34E66 #99B34E #4EB39B

split-complementary

#684EB3 #B39B4E #66B34E

monochromatic

#36285E #4F3B89 #684EB3 #8D79C5 #B1A4D8

Accessibility & contrast

On white

6.31

#684EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#684EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684EB3

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684EB3	#FFFFFF	#000000	##FFFFFF
##684EB3	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1861B6

Deuteranopia (green-blind)

#1F5EB1

Tritanopia (blue-blind)

#536479

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #684eb3;
/* rgb */ color: rgb(104, 78, 179);
/* oklch */ color: oklch(50.3% 0.154 291.8);

Tailwind

colors: {
  custom: {
    50: '#9880ca',
    500: '#684eb3',
    950: '#000000',
  },
}

SCSS

$custom: #684eb3;
$custom-light: #9880ca;
$custom-dark: #000000;

JSON

{
  "hex": "#684eb3",
  "rgb": {
    "r": 104,
    "g": 78,
    "b": 179
  },
  "hsl": {
    "h": 255.446,
    "s": 39.921,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50297,
    "c": 0.15381,
    "h": 291.8
  },
  "luminance": 0.11647
}

Semantic roles & 50–950 ramp

primary

#684EB3

secondary

#B9C598

accent

#D058B1

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #684EB3

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

Preview Lab → · Contrast checker → · Palette generator →