#688AE3#688AE3

#688AE3 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.139 H 266.8°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#688AE3
RGB	rgb(104, 138, 227)
HSL	hsl(223, 69%, 65%)
HSV	hsv(223, 54%, 89%)
CMYK	cmyk(54.2%, 39.2%, 0%, 11%)
CIE-LAB	lab(58.66, 13.46, -48.91)
CIE-LCH	lch(58.66, 50.73, 285.39°)
OKLab	oklab(64.83% -0.0078 -0.1386)
OKLCH	oklch(64.83% 0.139 266.8)
XYZ	xyz(28.6579, 26.6639, 76.2947)
Luminance	0.2667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688AE3 #E3C168

analogous

#68C7E3 #688AE3 #8468E3

triadic

#688AE3 #E3688A #8AE368

tetradic

#688AE3 #E368C7 #E3C168 #68E384

square

#688AE3 #E368C7 #E3C168 #68E384

split-complementary

#688AE3 #E38468 #C7E368

monochromatic

#2148B0 #3462D9 #688AE3 #9CB2ED #CFDAF6

Accessibility & contrast

On white

3.32

#688AE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#688AE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AE3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688AE3	#FFFFFF	#000000	##000000
##688AE3	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E7

Deuteranopia (green-blind)

#5788E1

Tritanopia (blue-blind)

#239DAB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #688ae3;
/* rgb */ color: rgb(104, 138, 227);
/* oklch */ color: oklch(64.8% 0.139 266.8);

Tailwind

colors: {
  custom: {
    50: '#9babec',
    500: '#688ae3',
    950: '#000000',
  },
}

SCSS

$custom: #688ae3;
$custom-light: #9babec;
$custom-dark: #000000;

JSON

{
  "hex": "#688ae3",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 227
  },
  "hsl": {
    "h": 223.415,
    "s": 68.715,
    "l": 64.902
  },
  "oklch": {
    "l": 0.64828,
    "c": 0.13887,
    "h": 266.8
  },
  "luminance": 0.26666
}

Semantic roles & 50–950 ramp

primary

#688AE3

secondary

#E8DDBE

accent

#9D15D1

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688AE3

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

Preview Lab → · Contrast checker → · Palette generator →