#688CCC#688CCC

#688CCC is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.0% C 0.105 H 261.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#688CCC
RGB	rgb(104, 140, 204)
HSL	hsl(218, 50%, 60%)
HSV	hsv(218, 49%, 80%)
CMYK	cmyk(49%, 31.4%, 0%, 20%)
CIE-LAB	lab(58.09, 5.14, -36.93)
CIE-LCH	lch(58.09, 37.28, 277.93°)
OKLab	oklab(64.02% -0.0157 -0.1037)
OKLCH	oklch(64.02% 0.105 261.4)
XYZ	xyz(25.9825, 26.0571, 60.7754)
Luminance	0.2606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CCC #CCA868

analogous

#68BECC #688CCC #7668CC

triadic

#688CCC #CC688C #8CCC68

tetradic

#688CCC #CC68BE #CCA868 #68CC76

square

#688CCC #CC68BE #CCA868 #68CC76

split-complementary

#688CCC #CC7668 #BECC68

monochromatic

#2F508B #3E6AB8 #688CCC #96AFDB #C3D2EB

Accessibility & contrast

On white

3.38

#688CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#688CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CCC

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CCC	#FFFFFF	#000000	##000000
##688CCC	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7491CF

Deuteranopia (green-blind)

#6887CB

Tritanopia (blue-blind)

#3C9AA3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #688ccc;
/* rgb */ color: rgb(104, 140, 204);
/* oklch */ color: oklch(64.0% 0.105 261.4);

Tailwind

colors: {
  custom: {
    50: '#98addc',
    500: '#688ccc',
    950: '#000000',
  },
}

SCSS

$custom: #688ccc;
$custom-light: #98addc;
$custom-dark: #000000;

JSON

{
  "hex": "#688ccc",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 204
  },
  "hsl": {
    "h": 218.4,
    "s": 49.505,
    "l": 60.392
  },
  "oklch": {
    "l": 0.6402,
    "c": 0.10491,
    "h": 261.4
  },
  "luminance": 0.26059
}

Semantic roles & 50–950 ramp

primary

#688CCC

secondary

#DBCDB5

accent

#8729BD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688CCC

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

Preview Lab → · Contrast checker → · Palette generator →