#686FCF#686FCF

#686FCF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.145 H 277.7°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#686FCF
RGB	rgb(104, 111, 207)
HSL	hsl(236, 52%, 61%)
HSV	hsv(236, 50%, 81%)
CMYK	cmyk(49.8%, 46.4%, 0%, 18.8%)
CIE-LAB	lab(50.47, 23.49, -50.68)
CIE-LCH	lch(50.47, 55.86, 294.87°)
OKLab	oklab(58.21% 0.0195 -0.144)
OKLCH	oklch(58.21% 0.145 277.7)
XYZ	xyz(22.6523, 18.8156, 61.4575)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686FCF #CFC868

analogous

#68A2CF #686FCF #9468CF

triadic

#686FCF #CF686F #6FCF68

tetradic

#686FCF #CF68A2 #CFC868 #68CF94

square

#686FCF #CF68A2 #CFC868 #68CF94

split-complementary

#686FCF #CF9468 #A2CF68

monochromatic

#2D348F #3C45BE #686FCF #969BDE #C5C8ED

Accessibility & contrast

On white

4.41

#686FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#686FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686FCF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686FCF	#FFFFFF	#000000	##000000
##686FCF	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)

#467CD3

Deuteranopia (green-blind)

#3C74CD

Tritanopia (blue-blind)

#3F8495

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #686fcf;
/* rgb */ color: rgb(104, 111, 207);
/* oklch */ color: oklch(58.2% 0.145 277.7);

Tailwind

colors: {
  custom: {
    50: '#9998de',
    500: '#686fcf',
    950: '#000000',
  },
}

SCSS

$custom: #686fcf;
$custom-light: #9998de;
$custom-dark: #000000;

JSON

{
  "hex": "#686fcf",
  "rgb": {
    "r": 104,
    "g": 111,
    "b": 207
  },
  "hsl": {
    "h": 235.922,
    "s": 51.759,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58207,
    "c": 0.14537,
    "h": 277.7
  },
  "luminance": 0.18817
}

Semantic roles & 50–950 ramp

primary

#686FCF

secondary

#DDDAB6

accent

#B526BF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #686FCF

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

Preview Lab → · Contrast checker → · Palette generator →