#684EEB#684EEB

#684EEB is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.6% C 0.224 H 283.7°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#684EEB
RGB	rgb(104, 78, 235)
HSL	hsl(250, 80%, 61%)
HSV	hsv(250, 67%, 92%)
CMYK	cmyk(55.7%, 66.8%, 0%, 7.8%)
CIE-LAB	lab(44.79, 51.48, -75.76)
CIE-LCH	lch(44.79, 91.60, 304.19°)
OKLab	oklab(54.61% 0.053 -0.2179)
OKLCH	oklch(54.61% 0.224 283.7)
XYZ	xyz(23.4241, 14.3886, 80.1241)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684EEB #D1EB4E

analogous

#4E83EB #684EEB #B64EEB

triadic

#684EEB #EB684E #4EEB68

tetradic

#684EEB #EB4E83 #D1EB4E #4EEBB6

square

#684EEB #EB4E83 #D1EB4E #4EEBB6

split-complementary

#684EEB #EBB64E #83EB4E

monochromatic

#2D13AB #3B1AE2 #684EEB #9785F1 #C6BCF7

Accessibility & contrast

On white

5.42

#684EEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#684EEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684EEB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684EEB	#FFFFFF	#000000	##FFFFFF
##684EEB	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF0

Deuteranopia (green-blind)

#0065E8

Tritanopia (blue-blind)

#267696

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #684eeb;
/* rgb */ color: rgb(104, 78, 235);
/* oklch */ color: oklch(54.6% 0.224 283.7);

Tailwind

colors: {
  custom: {
    50: '#9f81f3',
    500: '#684eeb',
    950: '#000000',
  },
}

SCSS

$custom: #684eeb;
$custom-light: #9f81f3;
$custom-dark: #000000;

JSON

{
  "hex": "#684eeb",
  "rgb": {
    "r": 104,
    "g": 78,
    "b": 235
  },
  "hsl": {
    "h": 249.936,
    "s": 79.695,
    "l": 61.373
  },
  "oklch": {
    "l": 0.5461,
    "c": 0.22428,
    "h": 283.7
  },
  "luminance": 0.1439
}

Semantic roles & 50–950 ramp

primary

#684EEB

secondary

#DEE8AD

accent

#DC09B9

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #684EEB

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

Preview Lab → · Contrast checker → · Palette generator →