#688EE3#688EE3

#688EE3 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.134 H 264.7°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#688EE3
RGB	rgb(104, 142, 227)
HSL	hsl(221, 69%, 65%)
HSV	hsv(221, 54%, 89%)
CMYK	cmyk(54.2%, 37.4%, 0%, 11%)
CIE-LAB	lab(59.74, 11.09, -47.21)
CIE-LCH	lch(59.74, 48.49, 283.22°)
OKLab	oklab(65.66% -0.0123 -0.1336)
OKLCH	oklch(65.66% 0.134 264.7)
XYZ	xyz(29.2424, 27.8329, 76.4895)
Luminance	0.2783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EE3 #E3BD68

analogous

#68CCE3 #688EE3 #7F68E3

triadic

#688EE3 #E3688E #8EE368

tetradic

#688EE3 #E368CC #E3BD68 #68E37F

square

#688EE3 #E368CC #E3BD68 #68E37F

split-complementary

#688EE3 #E37F68 #CCE368

monochromatic

#214DB0 #3467D9 #688EE3 #9CB5ED #CFDBF6

Accessibility & contrast

On white

3.20

#688EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#688EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EE3

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EE3	#FFFFFF	#000000	##000000
##688EE3	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E6

Deuteranopia (green-blind)

#5D8BE1

Tritanopia (blue-blind)

#22A1AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688ee3;
/* rgb */ color: rgb(104, 142, 227);
/* oklch */ color: oklch(65.7% 0.134 264.7);

Tailwind

colors: {
  custom: {
    50: '#9baeec',
    500: '#688ee3',
    950: '#000000',
  },
}

SCSS

$custom: #688ee3;
$custom-light: #9baeec;
$custom-dark: #000000;

JSON

{
  "hex": "#688ee3",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 227
  },
  "hsl": {
    "h": 221.463,
    "s": 68.715,
    "l": 64.902
  },
  "oklch": {
    "l": 0.65658,
    "c": 0.1342,
    "h": 264.7
  },
  "luminance": 0.27835
}

Semantic roles & 50–950 ramp

primary

#688EE3

secondary

#E8DBBE

accent

#9715D1

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688EE3

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

Preview Lab → · Contrast checker → · Palette generator →