#686CDB#686CDB

#686CDB is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.4% C 0.166 H 278.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#686CDB
RGB	rgb(104, 108, 219)
HSL	hsl(238, 61%, 63%)
HSV	hsv(238, 53%, 86%)
CMYK	cmyk(52.5%, 50.7%, 0%, 14.1%)
CIE-LAB	lab(50.43, 29.05, -57.56)
CIE-LCH	lch(50.43, 64.48, 296.78°)
OKLab	oklab(58.41% 0.0242 -0.1643)
OKLCH	oklch(58.41% 0.166 278.4)
XYZ	xyz(23.8537, 18.7812, 69.3723)
Luminance	0.1878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CDB #DBD768

analogous

#68A5DB #686CDB #9D68DB

triadic

#686CDB #DB686C #6CDB68

tetradic

#686CDB #DB68A5 #DBD768 #68DB9D

square

#686CDB #DB68A5 #DBD768 #68DB9D

split-complementary

#686CDB #DB9D68 #A5DB68

monochromatic

#272BA2 #373CCF #686CDB #999CE7 #CBCCF3

Accessibility & contrast

On white

4.41

#686CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#686CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686CDB

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CDB	#FFFFFF	#000000	##000000
##686CDB	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347DDF

Deuteranopia (green-blind)

#2574D9

Tritanopia (blue-blind)

#358599

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #686cdb;
/* rgb */ color: rgb(104, 108, 219);
/* oklch */ color: oklch(58.4% 0.166 278.4);

Tailwind

colors: {
  custom: {
    50: '#9b96e7',
    500: '#686cdb',
    950: '#000000',
  },
}

SCSS

$custom: #686cdb;
$custom-light: #9b96e7;
$custom-dark: #000000;

JSON

{
  "hex": "#686cdb",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 219
  },
  "hsl": {
    "h": 237.913,
    "s": 61.497,
    "l": 63.333
  },
  "oklch": {
    "l": 0.58408,
    "c": 0.16606,
    "h": 278.4
  },
  "luminance": 0.18783
}

Semantic roles & 50–950 ramp

primary

#686CDB

secondary

#E4E2BB

accent

#C31CC9

background

#FAF9FE

surface

#F3F1FC

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #686CDB

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

Preview Lab → · Contrast checker → · Palette generator →