#688CF8#688CF8

#688CF8 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.5% C 0.165 H 267.9°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#688CF8
RGB	rgb(104, 140, 248)
HSL	hsl(225, 91%, 69%)
HSV	hsv(225, 58%, 97%)
CMYK	cmyk(58.1%, 43.5%, 0%, 2.7%)
CIE-LAB	lab(60.31, 18.98, -57.91)
CIE-LCH	lch(60.31, 60.94, 288.15°)
OKLab	oklab(66.46% -0.0061 -0.165)
OKLCH	oklch(66.46% 0.165 267.9)
XYZ	xyz(32.0246, 28.4739, 92.5971)
Luminance	0.2848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CF8 #F8D468

analogous

#68D4F8 #688CF8 #8C68F8

triadic

#688CF8 #F8688C #8CF868

tetradic

#688CF8 #F868D4 #F8D468 #68F88C

square

#688CF8 #F868D4 #F8D468 #68F88C

split-complementary

#688CF8 #F88C68 #D4F868

monochromatic

#0A3EDB #2E5FF5 #688CF8 #A2B9FB #DDE5FD

Accessibility & contrast

On white

3.14

#688CF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#688CF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CF8

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CF8	#FFFFFF	#000000	##000000
##688CF8	1.00	3.14	6.70	6.70
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B98FC

Deuteranopia (green-blind)

#478BF6

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #688cf8;
/* rgb */ color: rgb(104, 140, 248);
/* oklch */ color: oklch(66.5% 0.165 267.9);

Tailwind

colors: {
  custom: {
    50: '#9eadfb',
    500: '#688cf8',
    950: '#000000',
  },
}

SCSS

$custom: #688cf8;
$custom-light: #9eadfb;
$custom-dark: #000000;

JSON

{
  "hex": "#688cf8",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 248
  },
  "hsl": {
    "h": 225,
    "s": 91.139,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66463,
    "c": 0.16511,
    "h": 267.9
  },
  "luminance": 0.28477
}

Semantic roles & 50–950 ramp

primary

#688CF8

secondary

#F3E8C9

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688CF8

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

Preview Lab → · Contrast checker → · Palette generator →