#686CBF#686CBF

#686CBF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.6% C 0.127 H 279.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#686CBF
RGB	rgb(104, 108, 191)
HSL	hsl(237, 40%, 58%)
HSV	hsv(237, 46%, 75%)
CMYK	cmyk(45.5%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(48.80, 20.43, -44.18)
CIE-LCH	lch(48.80, 48.67, 294.82°)
OKLab	oklab(56.64% 0.0208 -0.125)
OKLCH	oklch(56.64% 0.127 279.4)
XYZ	xyz(20.4726, 17.4288, 51.5655)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CBF #BFBB68

analogous

#6898BF #686CBF #8F68BF

triadic

#686CBF #BF686C #6CBF68

tetradic

#686CBF #BF6898 #BFBB68 #68BF8F

square

#686CBF #BF6898 #BFBB68 #68BF8F

split-complementary

#686CBF #BF8F68 #98BF68

monochromatic

#333779 #464AA4 #686CBF #9396D1 #BEC0E3

Accessibility & contrast

On white

4.68

#686CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#686CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686CBF

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CBF	#FFFFFF	#000000	##FFFFFF
##686CBF	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C2

Deuteranopia (green-blind)

#4671BD

Tritanopia (blue-blind)

#4A7D8C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #686cbf;
/* rgb */ color: rgb(104, 108, 191);
/* oklch */ color: oklch(56.6% 0.127 279.4);

Tailwind

colors: {
  custom: {
    50: '#9896d3',
    500: '#686cbf',
    950: '#000000',
  },
}

SCSS

$custom: #686cbf;
$custom-light: #9896d3;
$custom-dark: #000000;

JSON

{
  "hex": "#686cbf",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 237.241,
    "s": 40.465,
    "l": 57.843
  },
  "oklch": {
    "l": 0.56643,
    "c": 0.12673,
    "h": 279.4
  },
  "luminance": 0.1743
}

Semantic roles & 50–950 ramp

primary

#686CBF

secondary

#D3D1B0

accent

#CB57D0

background

#F9F9FD

surface

#F2F1FA

border

#CCCBD3

text

#0E0D14

muted

#7E7E83

Preview Lab

Preview with #686CBF

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

Preview Lab → · Contrast checker → · Palette generator →