#688CC2#688CC2

#688CC2 is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.5% C 0.091 H 258.3°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#688CC2
RGB	rgb(104, 140, 194)
HSL	hsl(216, 42%, 58%)
HSV	hsv(216, 46%, 76%)
CMYK	cmyk(46.4%, 27.8%, 0%, 23.9%)
CIE-LAB	lab(57.65, 2.14, -31.97)
CIE-LCH	lch(57.65, 32.04, 273.84°)
OKLab	oklab(63.53% -0.0185 -0.0894)
OKLCH	oklch(63.53% 0.091 258.3)
XYZ	xyz(24.8214, 25.5927, 54.6604)
Luminance	0.2559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CC2 #C29E68

analogous

#68B9C2 #688CC2 #7168C2

triadic

#688CC2 #C2688C #8CC268

tetradic

#688CC2 #C268B9 #C29E68 #68C271

square

#688CC2 #C268B9 #C29E68 #68C271

split-complementary

#688CC2 #C27168 #B9C268

monochromatic

#33507D #446CA9 #688CC2 #94ADD4 #BFCEE5

Accessibility & contrast

On white

3.43

#688CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#688CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CC2

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CC2	#FFFFFF	#000000	##000000
##688CC2	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788FC4

Deuteranopia (green-blind)

#6D87C1

Tritanopia (blue-blind)

#44989F

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688cc2;
/* rgb */ color: rgb(104, 140, 194);
/* oklch */ color: oklch(63.5% 0.091 258.3);

Tailwind

colors: {
  custom: {
    50: '#97add4',
    500: '#688cc2',
    950: '#000000',
  },
}

SCSS

$custom: #688cc2;
$custom-light: #97add4;
$custom-dark: #000000;

JSON

{
  "hex": "#688cc2",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 194
  },
  "hsl": {
    "h": 216,
    "s": 42.453,
    "l": 58.431
  },
  "oklch": {
    "l": 0.63529,
    "c": 0.09131,
    "h": 258.3
  },
  "luminance": 0.25594
}

Semantic roles & 50–950 ramp

primary

#688CC2

secondary

#D5C6B1

accent

#A056D2

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #688CC2

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

Preview Lab → · Contrast checker → · Palette generator →