#688BC4#688BC4

#688BC4 is a light, moderate blue. Relative luminance 0.254; OKLCH L 63.4% C 0.095 H 259.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#688BC4
RGB	rgb(104, 139, 196)
HSL	hsl(217, 44%, 59%)
HSV	hsv(217, 47%, 77%)
CMYK	cmyk(46.9%, 29.1%, 0%, 23.1%)
CIE-LAB	lab(57.46, 3.32, -33.40)
CIE-LCH	lch(57.46, 33.57, 275.68°)
OKLab	oklab(63.41% -0.0167 -0.0935)
OKLCH	oklch(63.41% 0.095 259.9)
XYZ	xyz(24.9021, 25.3922, 55.8028)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BC4 #C4A168

analogous

#68B9C4 #688BC4 #7368C4

triadic

#688BC4 #C4688B #8BC468

tetradic

#688BC4 #C468B9 #C4A168 #68C473

square

#688BC4 #C468B9 #C4A168 #68C473

split-complementary

#688BC4 #C47368 #B9C468

monochromatic

#324F80 #436BAC #688BC4 #94ADD5 #C0CFE6

Accessibility & contrast

On white

3.45

#688BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#688BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BC4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BC4	#FFFFFF	#000000	##000000
##688BC4	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768FC6

Deuteranopia (green-blind)

#6B86C3

Tritanopia (blue-blind)

#43979F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688bc4;
/* rgb */ color: rgb(104, 139, 196);
/* oklch */ color: oklch(63.4% 0.095 259.9);

Tailwind

colors: {
  custom: {
    50: '#98acd6',
    500: '#688bc4',
    950: '#000000',
  },
}

SCSS

$custom: #688bc4;
$custom-light: #98acd6;
$custom-dark: #000000;

JSON

{
  "hex": "#688bc4",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 196
  },
  "hsl": {
    "h": 217.174,
    "s": 43.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63407,
    "c": 0.09502,
    "h": 259.9
  },
  "luminance": 0.25394
}

Semantic roles & 50–950 ramp

primary

#688BC4

secondary

#D6C8B2

accent

#A354D4

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688BC4

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

Preview Lab → · Contrast checker → · Palette generator →