#684BB4#684BB4

#684BB4 is a mid, vivid violet. Relative luminance 0.113; OKLCH L 49.9% C 0.159 H 292.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#684BB4
RGB	rgb(104, 75, 180)
HSL	hsl(257, 41%, 50%)
HSV	hsv(257, 58%, 71%)
CMYK	cmyk(42.2%, 58.3%, 0%, 29.4%)
CIE-LAB	lab(40.03, 37.19, -51.79)
CIE-LCH	lch(40.03, 63.76, 305.68°)
OKLab	oklab(49.86% 0.0607 -0.1475)
OKLCH	oklch(49.86% 0.159 292.4)
XYZ	xyz(16.4610, 11.2700, 44.4792)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684BB4 #97B44B

analogous

#4B63B4 #684BB4 #9C4BB4

triadic

#684BB4 #B4684B #4BB468

tetradic

#684BB4 #B44B63 #97B44B #4BB49C

square

#684BB4 #B44B63 #97B44B #4BB49C

split-complementary

#684BB4 #B49C4B #63B44B

monochromatic

#36275E #4F3989 #684BB4 #8C76C6 #B0A1D8

Accessibility & contrast

On white

6.45

#684BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#684BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684BB4

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684BB4	#FFFFFF	#000000	##FFFFFF
##684BB4	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0560B7

Deuteranopia (green-blind)

#155CB2

Tritanopia (blue-blind)

#536278

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #684bb4;
/* rgb */ color: rgb(104, 75, 180);
/* oklch */ color: oklch(49.9% 0.159 292.4);

Tailwind

colors: {
  custom: {
    50: '#987ecb',
    500: '#684bb4',
    950: '#000000',
  },
}

SCSS

$custom: #684bb4;
$custom-light: #987ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#684bb4",
  "rgb": {
    "r": 104,
    "g": 75,
    "b": 180
  },
  "hsl": {
    "h": 256.571,
    "s": 41.176,
    "l": 50
  },
  "oklch": {
    "l": 0.49865,
    "c": 0.15948,
    "h": 292.4
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#684BB4

secondary

#B8C596

accent

#D157AF

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #684BB4

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

Preview Lab → · Contrast checker → · Palette generator →