#688EE4#688EE4

#688EE4 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.7% C 0.136 H 264.9°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#688EE4
RGB	rgb(104, 142, 228)
HSL	hsl(222, 70%, 65%)
HSV	hsv(222, 54%, 89%)
CMYK	cmyk(54.4%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(59.79, 11.40, -47.69)
CIE-LCH	lch(59.79, 49.03, 283.45°)
OKLab	oklab(65.71% -0.0121 -0.135)
OKLCH	oklch(65.71% 0.136 264.9)
XYZ	xyz(29.3808, 27.8883, 77.2185)
Luminance	0.2789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688EE4 #E4BE68

analogous

#68CCE4 #688EE4 #8068E4

triadic

#688EE4 #E4688E #8EE468

tetradic

#688EE4 #E468CC #E4BE68 #68E480

square

#688EE4 #E468CC #E4BE68 #68E480

split-complementary

#688EE4 #E48068 #CCE468

monochromatic

#204DB2 #3467DB #688EE4 #9CB5ED #D0DCF7

Accessibility & contrast

On white

3.19

#688EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#688EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688EE4

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688EE4	#FFFFFF	#000000	##000000
##688EE4	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E7

Deuteranopia (green-blind)

#5C8BE2

Tritanopia (blue-blind)

#20A1AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688ee4;
/* rgb */ color: rgb(104, 142, 228);
/* oklch */ color: oklch(65.7% 0.136 264.9);

Tailwind

colors: {
  custom: {
    50: '#9baeed',
    500: '#688ee4',
    950: '#000000',
  },
}

SCSS

$custom: #688ee4;
$custom-light: #9baeed;
$custom-dark: #000000;

JSON

{
  "hex": "#688ee4",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 221.613,
    "s": 69.663,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65714,
    "c": 0.13557,
    "h": 264.9
  },
  "luminance": 0.2789
}

Semantic roles & 50–950 ramp

primary

#688EE4

secondary

#E9DCBF

accent

#9714D2

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688EE4

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

Preview Lab → · Contrast checker → · Palette generator →