#688CE3#688CE3

#688CE3 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.2% C 0.137 H 265.8°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#688CE3
RGB	rgb(104, 140, 227)
HSL	hsl(222, 69%, 65%)
HSV	hsv(222, 54%, 89%)
CMYK	cmyk(54.2%, 38.3%, 0%, 11%)
CIE-LAB	lab(59.20, 12.27, -48.06)
CIE-LCH	lch(59.20, 49.60, 284.32°)
OKLab	oklab(65.24% -0.0101 -0.1361)
OKLCH	oklch(65.24% 0.137 265.8)
XYZ	xyz(28.9475, 27.2431, 76.3912)
Luminance	0.2725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CE3 #E3BF68

analogous

#68CAE3 #688CE3 #8268E3

triadic

#688CE3 #E3688C #8CE368

tetradic

#688CE3 #E368CA #E3BF68 #68E382

square

#688CE3 #E368CA #E3BF68 #68E382

split-complementary

#688CE3 #E38268 #CAE368

monochromatic

#214BB0 #3465D9 #688CE3 #9CB3ED #CFDBF6

Accessibility & contrast

On white

3.26

#688CE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#688CE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CE3

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CE3	#FFFFFF	#000000	##000000
##688CE3	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6894E6

Deuteranopia (green-blind)

#5A89E1

Tritanopia (blue-blind)

#229FAD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688ce3;
/* rgb */ color: rgb(104, 140, 227);
/* oklch */ color: oklch(65.2% 0.137 265.8);

Tailwind

colors: {
  custom: {
    50: '#9badec',
    500: '#688ce3',
    950: '#000000',
  },
}

SCSS

$custom: #688ce3;
$custom-light: #9badec;
$custom-dark: #000000;

JSON

{
  "hex": "#688ce3",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 227
  },
  "hsl": {
    "h": 222.439,
    "s": 68.715,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65242,
    "c": 0.13651,
    "h": 265.8
  },
  "luminance": 0.27245
}

Semantic roles & 50–950 ramp

primary

#688CE3

secondary

#E8DCBE

accent

#9A15D1

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688CE3

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

Preview Lab → · Contrast checker → · Palette generator →