#686CDD#686CDD

#686CDD is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.5% C 0.169 H 278.3°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#686CDD
RGB	rgb(104, 108, 221)
HSL	hsl(238, 63%, 64%)
HSV	hsv(238, 53%, 87%)
CMYK	cmyk(52.9%, 51.1%, 0%, 13.3%)
CIE-LAB	lab(50.55, 29.67, -58.49)
CIE-LCH	lch(50.55, 65.59, 296.90°)
OKLab	oklab(58.54% 0.0243 -0.167)
OKLCH	oklch(58.54% 0.169 278.3)
XYZ	xyz(24.1185, 18.8871, 70.7673)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CDD #DDD968

analogous

#68A6DD #686CDD #9E68DD

triadic

#686CDD #DD686C #6CDD68

tetradic

#686CDD #DD68A6 #DDD968 #68DD9E

square

#686CDD #DD68A6 #DDD968 #68DD9E

split-complementary

#686CDD #DD9E68 #A6DD68

monochromatic

#252AA5 #363BD2 #686CDD #9A9DE8 #CCCDF3

Accessibility & contrast

On white

4.40

#686CDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#686CDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686CDD

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CDD	#FFFFFF	#000000	##000000
##686CDD	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#317DE1

Deuteranopia (green-blind)

#2174DB

Tritanopia (blue-blind)

#33859A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #686cdd;
/* rgb */ color: rgb(104, 108, 221);
/* oklch */ color: oklch(58.5% 0.169 278.3);

Tailwind

colors: {
  custom: {
    50: '#9b96e8',
    500: '#686cdd',
    950: '#000000',
  },
}

SCSS

$custom: #686cdd;
$custom-light: #9b96e8;
$custom-dark: #000000;

JSON

{
  "hex": "#686cdd",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 221
  },
  "hsl": {
    "h": 237.949,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58541,
    "c": 0.16879,
    "h": 278.3
  },
  "luminance": 0.18889
}

Semantic roles & 50–950 ramp

primary

#686CDD

secondary

#E5E4BC

accent

#C51ACB

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #686CDD

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

Preview Lab → · Contrast checker → · Palette generator →