#686DDD#686DDD

#686DDD is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.7% C 0.167 H 278.0°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#686DDD
RGB	rgb(104, 109, 221)
HSL	hsl(237, 63%, 64%)
HSV	hsv(237, 53%, 87%)
CMYK	cmyk(52.9%, 50.7%, 0%, 13.3%)
CIE-LAB	lab(50.80, 29.07, -58.09)
CIE-LCH	lch(50.80, 64.96, 296.58°)
OKLab	oklab(58.73% 0.0233 -0.1658)
OKLCH	oklch(58.73% 0.167 278)
XYZ	xyz(24.2246, 19.0993, 70.8026)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686DDD #DDD868

analogous

#68A7DD #686DDD #9D68DD

triadic

#686DDD #DD686D #6DDD68

tetradic

#686DDD #DD68A7 #DDD868 #68DD9D

square

#686DDD #DD68A7 #DDD868 #68DD9D

split-complementary

#686DDD #DD9D68 #A7DD68

monochromatic

#252BA5 #363DD2 #686DDD #9A9DE8 #CCCEF3

Accessibility & contrast

On white

4.36

#686DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#686DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686DDD

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686DDD	#FFFFFF	#000000	##000000
##686DDD	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347EE1

Deuteranopia (green-blind)

#2474DB

Tritanopia (blue-blind)

#33869B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #686ddd;
/* rgb */ color: rgb(104, 109, 221);
/* oklch */ color: oklch(58.7% 0.167 278.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#686ddd",
  "rgb": {
    "r": 104,
    "g": 109,
    "b": 221
  },
  "hsl": {
    "h": 237.436,
    "s": 63.243,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58728,
    "c": 0.16746,
    "h": 278
  },
  "luminance": 0.19101
}

Semantic roles & 50–950 ramp

primary

#686DDD

secondary

#E5E3BC

accent

#C31ACB

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #686DDD

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

Preview Lab → · Contrast checker → · Palette generator →