#684FFB#684FFB

#684FFB is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 56.1% C 0.242 H 281.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#684FFB
RGB	rgb(104, 79, 251)
HSL	hsl(249, 96%, 65%)
HSV	hsv(249, 69%, 98%)
CMYK	cmyk(58.6%, 68.5%, 0%, 1.6%)
CIE-LAB	lab(46.31, 55.63, -82.24)
CIE-LCH	lch(46.31, 99.29, 304.08°)
OKLab	oklab(56.11% 0.0498 -0.2369)
OKLCH	oklch(56.11% 0.242 281.9)
XYZ	xyz(25.9121, 15.4983, 92.8741)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#684FFB #E2FB4F

analogous

#4F8CFB #684FFB #BE4FFB

triadic

#684FFB #FB684F #4FFB68

tetradic

#684FFB #FB4F8C #E2FB4F #4FFBBE

square

#684FFB #FB4F8C #E2FB4F #4FFBBE

split-complementary

#684FFB #FBBE4F #8CFB4F

monochromatic

#2105CB #3513FA #684FFB #9B8BFC #CFC7FE

Accessibility & contrast

On white

5.12

#684FFB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#684FFB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #684FFB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##684FFB	#FFFFFF	#000000	##FFFFFF
##684FFB	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074FF

Deuteranopia (green-blind)

#0068F8

Tritanopia (blue-blind)

#007D9F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #684ffb;
/* rgb */ color: rgb(104, 79, 251);
/* oklch */ color: oklch(56.1% 0.242 281.9);

Tailwind

colors: {
  custom: {
    50: '#a183fe',
    500: '#684ffb',
    950: '#000000',
  },
}

SCSS

$custom: #684ffb;
$custom-light: #a183fe;
$custom-dark: #000000;

JSON

{
  "hex": "#684ffb",
  "rgb": {
    "r": 104,
    "g": 79,
    "b": 251
  },
  "hsl": {
    "h": 248.721,
    "s": 95.556,
    "l": 64.706
  },
  "oklch": {
    "l": 0.56111,
    "c": 0.24211,
    "h": 281.9
  },
  "luminance": 0.155
}

Semantic roles & 50–950 ramp

primary

#684FFB

secondary

#E8F0B5

accent

#E600C4

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B18

muted

#7F7C86

Preview Lab

Preview with #684FFB

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

Preview Lab → · Contrast checker → · Palette generator →