#688BEB#688BEB

#688BEB is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.5% C 0.149 H 267.2°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#688BEB
RGB	rgb(104, 139, 235)
HSL	hsl(224, 77%, 66%)
HSV	hsv(224, 56%, 92%)
CMYK	cmyk(55.7%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(59.35, 15.40, -52.27)
CIE-LCH	lch(59.35, 54.49, 286.42°)
OKLab	oklab(65.49% -0.0073 -0.1485)
OKLCH	oklch(65.49% 0.149 267.2)
XYZ	xyz(29.9319, 27.4042, 82.2934)
Luminance	0.2741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688BEB #EBC868

analogous

#68CDEB #688BEB #8768EB

triadic

#688BEB #EB688B #8BEB68

tetradic

#688BEB #EB68CD #EBC868 #68EB87

square

#688BEB #EB68CD #EBC868 #68EB87

split-complementary

#688BEB #EB8768 #CDEB68

monochromatic

#1946BF #3261E4 #688BEB #9EB5F2 #D4DEF9

Accessibility & contrast

On white

3.24

#688BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#688BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BEB

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688BEB	#FFFFFF	#000000	##000000
##688BEB	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6295EF

Deuteranopia (green-blind)

#5289E9

Tritanopia (blue-blind)

#11A0B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688beb;
/* rgb */ color: rgb(104, 139, 235);
/* oklch */ color: oklch(65.5% 0.149 267.2);

Tailwind

colors: {
  custom: {
    50: '#9cacf2',
    500: '#688beb',
    950: '#000000',
  },
}

SCSS

$custom: #688beb;
$custom-light: #9cacf2;
$custom-dark: #000000;

JSON

{
  "hex": "#688beb",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 223.969,
    "s": 76.608,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65491,
    "c": 0.14865,
    "h": 267.2
  },
  "luminance": 0.27406
}

Semantic roles & 50–950 ramp

primary

#688BEB

secondary

#EDE1C2

accent

#A20DD9

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688BEB

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

Preview Lab → · Contrast checker → · Palette generator →