#688CF9#688CF9

#688CF9 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.5% C 0.166 H 267.9°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#688CF9
RGB	rgb(104, 140, 249)
HSL	hsl(225, 92%, 69%)
HSV	hsv(225, 58%, 98%)
CMYK	cmyk(58.2%, 43.8%, 0%, 2.4%)
CIE-LAB	lab(60.37, 19.31, -58.37)
CIE-LCH	lch(60.37, 61.48, 288.30°)
OKLab	oklab(66.52% -0.006 -0.1663)
OKLCH	oklch(66.52% 0.166 267.9)
XYZ	xyz(32.1801, 28.5362, 93.4164)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#688CF9 #F9D568

analogous

#68D5F9 #688CF9 #8C68F9

triadic

#688CF9 #F9688C #8CF968

tetradic

#688CF9 #F968D5 #F9D568 #68F98C

square

#688CF9 #F968D5 #F9D568 #68F98C

split-complementary

#688CF9 #F98C68 #D5F968

monochromatic

#093EDE #2D5FF7 #688CF9 #A3B9FB #DEE6FE

Accessibility & contrast

On white

3.13

#688CF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#688CF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CF9

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##688CF9	#FFFFFF	#000000	##000000
##688CF9	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A98FD

Deuteranopia (green-blind)

#468BF7

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #688cf9;
/* rgb */ color: rgb(104, 140, 249);
/* oklch */ color: oklch(66.5% 0.166 267.9);

Tailwind

colors: {
  custom: {
    50: '#9eadfc',
    500: '#688cf9',
    950: '#000000',
  },
}

SCSS

$custom: #688cf9;
$custom-light: #9eadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#688cf9",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 249
  },
  "hsl": {
    "h": 225.103,
    "s": 92.357,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66524,
    "c": 0.16646,
    "h": 267.9
  },
  "luminance": 0.28539
}

Semantic roles & 50–950 ramp

primary

#688CF9

secondary

#F3E9C9

accent

#AD00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #688CF9

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

Preview Lab → · Contrast checker → · Palette generator →