#686CBC#686CBC

#686CBC is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.5% C 0.122 H 279.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#686CBC
RGB	rgb(104, 108, 188)
HSL	hsl(237, 39%, 57%)
HSV	hsv(237, 45%, 74%)
CMYK	cmyk(44.7%, 42.6%, 0%, 26.3%)
CIE-LAB	lab(48.63, 19.52, -42.70)
CIE-LCH	lch(48.63, 46.95, 294.57°)
OKLab	oklab(56.47% 0.0203 -0.1207)
OKLCH	oklch(56.47% 0.122 279.5)
XYZ	xyz(20.1459, 17.2981, 49.8445)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CBC #BCB868

analogous

#6896BC #686CBC #8E68BC

triadic

#686CBC #BC686C #6CBC68

tetradic

#686CBC #BC6896 #BCB868 #68BC8E

square

#686CBC #BC6896 #BCB868 #68BC8E

split-complementary

#686CBC #BC8E68 #96BC68

monochromatic

#343775 #474BA0 #686CBC #9295CF #BDBFE2

Accessibility & contrast

On white

4.71

#686CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#686CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686CBC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CBC	#FFFFFF	#000000	##FFFFFF
##686CBC	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77BF

Deuteranopia (green-blind)

#4870BA

Tritanopia (blue-blind)

#4C7C8B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #686cbc;
/* rgb */ color: rgb(104, 108, 188);
/* oklch */ color: oklch(56.5% 0.122 279.5);

Tailwind

colors: {
  custom: {
    50: '#9796d0',
    500: '#686cbc',
    950: '#000000',
  },
}

SCSS

$custom: #686cbc;
$custom-light: #9796d0;
$custom-dark: #000000;

JSON

{
  "hex": "#686cbc",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 188
  },
  "hsl": {
    "h": 237.143,
    "s": 38.532,
    "l": 57.255
  },
  "oklch": {
    "l": 0.56467,
    "c": 0.12239,
    "h": 279.5
  },
  "luminance": 0.17299
}

Semantic roles & 50–950 ramp

primary

#686CBC

secondary

#D1CFAF

accent

#C959CE

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #686CBC

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

Preview Lab → · Contrast checker → · Palette generator →