#688ACC#688ACC

#688ACC is a light, moderate blue. Relative luminance 0.255; OKLCH L 63.6% C 0.107 H 262.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#688ACC
RGB	rgb(104, 138, 204)
HSL	hsl(220, 50%, 60%)
HSV	hsv(220, 49%, 80%)
CMYK	cmyk(49%, 32.4%, 0%, 20%)
CIE-LAB	lab(57.54, 6.32, -37.79)
CIE-LCH	lch(57.54, 38.32, 279.49°)
OKLab	oklab(63.59% -0.0132 -0.1062)
OKLCH	oklch(63.59% 0.107 262.9)
XYZ	xyz(25.6929, 25.4779, 60.6789)
Luminance	0.2548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688ACC #CCAA68

analogous

#68BCCC #688ACC #7868CC

triadic

#688ACC #CC688A #8ACC68

tetradic

#688ACC #CC68BC #CCAA68 #68CC78

square

#688ACC #CC68BC #CCAA68 #68CC78

split-complementary

#688ACC #CC7868 #BCCC68

monochromatic

#2F4E8B #3E68B8 #688ACC #96ADDB #C3D1EB

Accessibility & contrast

On white

3.44

#688ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#688ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688ACC

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688ACC	#FFFFFF	#000000	##000000
##688ACC	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCF

Deuteranopia (green-blind)

#6686CB

Tritanopia (blue-blind)

#3D98A2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #688acc;
/* rgb */ color: rgb(104, 138, 204);
/* oklch */ color: oklch(63.6% 0.107 262.9);

Tailwind

colors: {
  custom: {
    50: '#98abdc',
    500: '#688acc',
    950: '#000000',
  },
}

SCSS

$custom: #688acc;
$custom-light: #98abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#688acc",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 204
  },
  "hsl": {
    "h": 219.6,
    "s": 49.505,
    "l": 60.392
  },
  "oklch": {
    "l": 0.63589,
    "c": 0.10707,
    "h": 262.9
  },
  "luminance": 0.2548
}

Semantic roles & 50–950 ramp

primary

#688ACC

secondary

#DBCEB5

accent

#8A29BD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #688ACC

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

Preview Lab → · Contrast checker → · Palette generator →