#688DE9#688DE9

#688DE9 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.144 H 266.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#688DE9
RGB	rgb(104, 141, 233)
HSL	hsl(223, 75%, 66%)
HSV	hsv(223, 55%, 91%)
CMYK	cmyk(55.4%, 39.5%, 0%, 8.6%)
CIE-LAB	lab(59.77, 13.58, -50.48)
CIE-LCH	lch(59.77, 52.28, 285.06°)
OKLab	oklab(65.79% -0.0099 -0.1432)
OKLCH	oklch(65.79% 0.144 266)
XYZ	xyz(29.9368, 27.8737, 80.8776)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DE9 #E9C468

analogous

#68CDE9 #688DE9 #8368E9

triadic

#688DE9 #E9688D #8DE968

tetradic

#688DE9 #E968CD #E9C468 #68E983

square

#688DE9 #E968CD #E9C468 #68E983

split-complementary

#688DE9 #E98368 #CDE968

monochromatic

#1B49BB #3365E1 #688DE9 #9DB5F1 #D3DEF9

Accessibility & contrast

On white

3.19

#688DE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#688DE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DE9

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DE9	#FFFFFF	#000000	##000000
##688DE9	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)

#6796ED

Deuteranopia (green-blind)

#578BE7

Tritanopia (blue-blind)

#15A1B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688de9;
/* rgb */ color: rgb(104, 141, 233);
/* oklch */ color: oklch(65.8% 0.144 266.0);

Tailwind

colors: {
  custom: {
    50: '#9cadf0',
    500: '#688de9',
    950: '#000000',
  },
}

SCSS

$custom: #688de9;
$custom-light: #9cadf0;
$custom-dark: #000000;

JSON

{
  "hex": "#688de9",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 233
  },
  "hsl": {
    "h": 222.791,
    "s": 74.566,
    "l": 66.078
  },
  "oklch": {
    "l": 0.65787,
    "c": 0.14355,
    "h": 266
  },
  "luminance": 0.27876
}

Semantic roles & 50–950 ramp

primary

#688DE9

secondary

#ECDFC1

accent

#9D0FD7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688DE9

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

Preview Lab → · Contrast checker → · Palette generator →