#686CCE#686CCE

#686CCE is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.6% C 0.148 H 278.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#686CCE
RGB	rgb(104, 108, 206)
HSL	hsl(238, 51%, 61%)
HSV	hsv(238, 50%, 81%)
CMYK	cmyk(49.5%, 47.6%, 0%, 19.2%)
CIE-LAB	lab(49.65, 25.01, -51.43)
CIE-LCH	lch(49.65, 57.19, 295.93°)
OKLab	oklab(57.56% 0.0229 -0.1463)
OKLCH	oklch(57.56% 0.148 278.9)
XYZ	xyz(22.2086, 18.1232, 60.7084)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CCE #CECA68

analogous

#689FCE #686CCE #9768CE

triadic

#686CCE #CE686C #6CCE68

tetradic

#686CCE #CE689F #CECA68 #68CE97

square

#686CCE #CE689F #CECA68 #68CE97

split-complementary

#686CCE #CE9768 #9FCE68

monochromatic

#2E328E #3D42BC #686CCE #9699DD #C4C6EC

Accessibility & contrast

On white

4.54

#686CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#686CCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686CCE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CCE	#FFFFFF	#000000	##000000
##686CCE	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417AD2

Deuteranopia (green-blind)

#3872CC

Tritanopia (blue-blind)

#408193

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #686cce;
/* rgb */ color: rgb(104, 108, 206);
/* oklch */ color: oklch(57.6% 0.148 278.9);

Tailwind

colors: {
  custom: {
    50: '#9996dd',
    500: '#686cce',
    950: '#000000',
  },
}

SCSS

$custom: #686cce;
$custom-light: #9996dd;
$custom-dark: #000000;

JSON

{
  "hex": "#686cce",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 206
  },
  "hsl": {
    "h": 237.647,
    "s": 51,
    "l": 60.784
  },
  "oklch": {
    "l": 0.57563,
    "c": 0.14805,
    "h": 278.9
  },
  "luminance": 0.18124
}

Semantic roles & 50–950 ramp

primary

#686CCE

secondary

#DCDBB6

accent

#B827BE

background

#F9F9FD

surface

#F2F1FB

border

#CCCBD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #686CCE

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

Preview Lab → · Contrast checker → · Palette generator →