#688AEB#688AEB

#688AEB is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.3% C 0.150 H 267.6°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#688AEB
RGB	rgb(104, 138, 235)
HSL	hsl(224, 77%, 66%)
HSV	hsv(224, 56%, 92%)
CMYK	cmyk(55.7%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(59.08, 16.00, -52.69)
CIE-LCH	lch(59.08, 55.07, 286.89°)
OKLab	oklab(65.29% -0.0063 -0.1497)
OKLCH	oklch(65.29% 0.15 267.6)
XYZ	xyz(29.7878, 27.1159, 82.2453)
Luminance	0.2712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688AEB #EBC968

analogous

#68CCEB #688AEB #8868EB

triadic

#688AEB #EB688A #8AEB68

tetradic

#688AEB #EB68CC #EBC968 #68EB88

square

#688AEB #EB68CC #EBC968 #68EB88

split-complementary

#688AEB #EB8868 #CCEB68

monochromatic

#1944BF #3260E4 #688AEB #9EB4F2 #D4DEF9

Accessibility & contrast

On white

3.27

#688AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#688AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AEB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688AEB	#FFFFFF	#000000	##000000
##688AEB	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6194EF

Deuteranopia (green-blind)

#5089E9

Tritanopia (blue-blind)

#119FAF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #688aeb;
/* rgb */ color: rgb(104, 138, 235);
/* oklch */ color: oklch(65.3% 0.150 267.6);

Tailwind

colors: {
  custom: {
    50: '#9cabf2',
    500: '#688aeb',
    950: '#000000',
  },
}

SCSS

$custom: #688aeb;
$custom-light: #9cabf2;
$custom-dark: #000000;

JSON

{
  "hex": "#688aeb",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 224.427,
    "s": 76.608,
    "l": 66.471
  },
  "oklch": {
    "l": 0.65287,
    "c": 0.14985,
    "h": 267.6
  },
  "luminance": 0.27118
}

Semantic roles & 50–950 ramp

primary

#688AEB

secondary

#EDE2C2

accent

#A40DD9

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688AEB

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

Preview Lab → · Contrast checker → · Palette generator →