#686DCB#686DCB

#686DCB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.6% C 0.142 H 278.6°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#686DCB
RGB	rgb(104, 109, 203)
HSL	hsl(237, 49%, 60%)
HSV	hsv(237, 49%, 80%)
CMYK	cmyk(48.8%, 46.3%, 0%, 20.4%)
CIE-LAB	lab(49.73, 23.47, -49.59)
CIE-LCH	lch(49.73, 54.86, 295.33°)
OKLab	oklab(57.57% 0.0214 -0.1408)
OKLCH	oklch(57.57% 0.142 278.6)
XYZ	xyz(21.9537, 18.1909, 58.8427)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686DCB #CBC668

analogous

#689ECB #686DCB #9568CB

triadic

#686DCB #CB686D #6DCB68

tetradic

#686DCB #CB689E #CBC668 #68CB95

square

#686DCB #CB689E #CBC668 #68CB95

split-complementary

#686DCB #CB9568 #9ECB68

monochromatic

#2F3489 #3F45B7 #686DCB #9699DB #C3C5EA

Accessibility & contrast

On white

4.53

#686DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#686DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #686DCB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686DCB	#FFFFFF	#000000	##000000
##686DCB	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACE

Deuteranopia (green-blind)

#3D73C9

Tritanopia (blue-blind)

#428192

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #686dcb;
/* rgb */ color: rgb(104, 109, 203);
/* oklch */ color: oklch(57.6% 0.142 278.6);

Tailwind

colors: {
  custom: {
    50: '#9996db',
    500: '#686dcb',
    950: '#000000',
  },
}

SCSS

$custom: #686dcb;
$custom-light: #9996db;
$custom-dark: #000000;

JSON

{
  "hex": "#686dcb",
  "rgb": {
    "r": 104,
    "g": 109,
    "b": 203
  },
  "hsl": {
    "h": 236.97,
    "s": 48.768,
    "l": 60.196
  },
  "oklch": {
    "l": 0.57569,
    "c": 0.14246,
    "h": 278.6
  },
  "luminance": 0.18192
}

Semantic roles & 50–950 ramp

primary

#686DCB

secondary

#DAD8B4

accent

#B529BC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #686DCB

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

Preview Lab → · Contrast checker → · Palette generator →