#688DE3#688DE3

#688DE3 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.135 H 265.3°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#688DE3
RGB	rgb(104, 141, 227)
HSL	hsl(222, 69%, 65%)
HSV	hsv(222, 54%, 89%)
CMYK	cmyk(54.2%, 37.9%, 0%, 11%)
CIE-LAB	lab(59.47, 11.68, -47.64)
CIE-LCH	lch(59.47, 49.05, 283.78°)
OKLab	oklab(65.45% -0.0112 -0.1349)
OKLCH	oklch(65.45% 0.135 265.3)
XYZ	xyz(29.0943, 27.5367, 76.4401)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688DE3 #E3BE68

analogous

#68CBE3 #688DE3 #8068E3

triadic

#688DE3 #E3688D #8DE368

tetradic

#688DE3 #E368CB #E3BE68 #68E380

square

#688DE3 #E368CB #E3BE68 #68E380

split-complementary

#688DE3 #E38068 #CBE368

monochromatic

#214CB0 #3466D9 #688DE3 #9CB4ED #CFDBF6

Accessibility & contrast

On white

3.23

#688DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#688DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DE3

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688DE3	#FFFFFF	#000000	##000000
##688DE3	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A95E6

Deuteranopia (green-blind)

#5B8AE1

Tritanopia (blue-blind)

#22A0AD

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #688de3;
/* rgb */ color: rgb(104, 141, 227);
/* oklch */ color: oklch(65.5% 0.135 265.3);

Tailwind

colors: {
  custom: {
    50: '#9baeec',
    500: '#688de3',
    950: '#000000',
  },
}

SCSS

$custom: #688de3;
$custom-light: #9baeec;
$custom-dark: #000000;

JSON

{
  "hex": "#688de3",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 221.951,
    "s": 68.715,
    "l": 64.902
  },
  "oklch": {
    "l": 0.6545,
    "c": 0.13535,
    "h": 265.3
  },
  "luminance": 0.27539
}

Semantic roles & 50–950 ramp

primary

#688DE3

secondary

#E8DCBE

accent

#9815D1

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #688DE3

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

Preview Lab → · Contrast checker → · Palette generator →