#686CB3#686CB3

#686CB3 is a mid, moderate blue. Relative luminance 0.169; OKLCH L 56.0% C 0.109 H 279.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#686CB3
RGB	rgb(104, 108, 179)
HSL	hsl(237, 33%, 55%)
HSV	hsv(237, 42%, 70%)
CMYK	cmyk(41.9%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(48.16, 16.85, -38.23)
CIE-LCH	lch(48.16, 41.78, 293.78°)
OKLab	oklab(55.95% 0.0186 -0.1076)
OKLCH	oklch(55.95% 0.109 279.8)
XYZ	xyz(19.2058, 16.9220, 44.8934)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#686CB3 #B3AF68

analogous

#6891B3 #686CB3 #8968B3

triadic

#686CB3 #B3686C #6CB368

tetradic

#686CB3 #B36891 #B3AF68 #68B389

square

#686CB3 #B36891 #B3AF68 #68B389

split-complementary

#686CB3 #B38968 #91B368

monochromatic

#36396B #4A4E94 #686CB3 #9194C7 #B9BBDC

Accessibility & contrast

On white

4.79

#686CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#686CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #686CB3

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##686CB3	#FFFFFF	#000000	##FFFFFF
##686CB3	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5375B6

Deuteranopia (green-blind)

#4E70B1

Tritanopia (blue-blind)

#517A87

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #686cb3;
/* rgb */ color: rgb(104, 108, 179);
/* oklch */ color: oklch(56.0% 0.109 279.8);

Tailwind

colors: {
  custom: {
    50: '#9696ca',
    500: '#686cb3',
    950: '#000000',
  },
}

SCSS

$custom: #686cb3;
$custom-light: #9696ca;
$custom-dark: #000000;

JSON

{
  "hex": "#686cb3",
  "rgb": {
    "r": 104,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 236.8,
    "s": 33.04,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.10924,
    "h": 279.8
  },
  "luminance": 0.16923
}

Semantic roles & 50–950 ramp

primary

#686CB3

secondary

#CBC9AC

accent

#C35FC9

background

#F9F9FC

surface

#F2F1F8

border

#CCCBD1

text

#0E0D13

muted

#7E7E82

Preview Lab

Preview with #686CB3

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

Preview Lab → · Contrast checker → · Palette generator →