#688DEB#688DEB

#688DEB is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.9% C 0.146 H 266.3°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#688DEB
RGB	rgb(104, 141, 235)
HSL	hsl(223, 77%, 66%)
HSV	hsv(223, 56%, 92%)
CMYK	cmyk(55.7%, 40%, 0%, 7.8%)
CIE-LAB	lab(59.88, 14.22, -51.43)
CIE-LCH	lch(59.88, 53.35, 285.45°)
OKLab	oklab(65.9% -0.0095 -0.146)
OKLCH	oklch(65.9% 0.146 266.3)
XYZ	xyz(30.2241, 27.9886, 82.3908)
Luminance	0.2799 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DEB #EBC668

analogous

#68CFEB #688DEB #8568EB

triadic

#688DEB #EB688D #8DEB68

tetradic

#688DEB #EB68CF #EBC668 #68EB85

square

#688DEB #EB68CF #EBC668 #68EB85

split-complementary

#688DEB #EB8568 #CFEB68

monochromatic

#1948BF #3264E4 #688DEB #9EB6F2 #D4DFF9

Accessibility & contrast

On white

3.18

#688DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#688DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DEB

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DEB	#FFFFFF	#000000	##000000
##688DEB	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597EF

Deuteranopia (green-blind)

#558BE9

Tritanopia (blue-blind)

#0FA2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #688deb;
/* rgb */ color: rgb(104, 141, 235);
/* oklch */ color: oklch(65.9% 0.146 266.3);

Tailwind

colors: {
  custom: {
    50: '#9cadf2',
    500: '#688deb',
    950: '#000000',
  },
}

SCSS

$custom: #688deb;
$custom-light: #9cadf2;
$custom-dark: #000000;

JSON

{
  "hex": "#688deb",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 223.053,
    "s": 76.608,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65901,
    "c": 0.14629,
    "h": 266.3
  },
  "luminance": 0.27991
}

Semantic roles & 50–950 ramp

primary

#688DEB

secondary

#EDE1C2

accent

#9F0DD9

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688DEB

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

Preview Lab → · Contrast checker → · Palette generator →