#686FDB#686FDB

#686FDB is a mid, vivid blue. Relative luminance 0.194; OKLCH L 59.0% C 0.162 H 277.4°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#686FDB
RGB	rgb(104, 111, 219)
HSL	hsl(236, 61%, 63%)
HSV	hsv(236, 53%, 86%)
CMYK	cmyk(52.5%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(51.18, 27.23, -56.36)
CIE-LCH	lch(51.18, 62.59, 295.79°)
OKLab	oklab(58.97% 0.0209 -0.1607)
OKLCH	oklch(58.97% 0.162 277.4)
XYZ	xyz(24.1755, 19.4249, 69.4796)
Luminance	0.1943 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686FDB #DBD468

analogous

#68A8DB #686FDB #9A68DB

triadic

#686FDB #DB686F #6FDB68

tetradic

#686FDB #DB68A8 #DBD468 #68DB9A

square

#686FDB #DB68A8 #DBD468 #68DB9A

split-complementary

#686FDB #DB9A68 #A8DB68

monochromatic

#272EA2 #3740CF #686FDB #999EE7 #CBCDF3

Accessibility & contrast

On white

4.30

#686FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#686FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686FDB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686FDB	#FFFFFF	#000000	##000000
##686FDB	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7FDF

Deuteranopia (green-blind)

#2D75D9

Tritanopia (blue-blind)

#34879B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #686fdb;
/* rgb */ color: rgb(104, 111, 219);
/* oklch */ color: oklch(59.0% 0.162 277.4);

Tailwind

colors: {
  custom: {
    50: '#9b98e7',
    500: '#686fdb',
    950: '#000000',
  },
}

SCSS

$custom: #686fdb;
$custom-light: #9b98e7;
$custom-dark: #000000;

JSON

{
  "hex": "#686fdb",
  "rgb": {
    "r": 104,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 236.348,
    "s": 61.497,
    "l": 63.333
  },
  "oklch": {
    "l": 0.58973,
    "c": 0.16207,
    "h": 277.4
  },
  "luminance": 0.19426
}

Semantic roles & 50–950 ramp

primary

#686FDB

secondary

#E4E1BB

accent

#BF1CC9

background

#FAF9FE

surface

#F3F2FC

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #686FDB

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

Preview Lab → · Contrast checker → · Palette generator →