#688BF5#688BF5

#688BF5 is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.1% C 0.162 H 268.0°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX#688BF5
RGBrgb(104, 139, 245)
HSLhsl(225, 88%, 68%)
HSVhsv(225, 58%, 96%)
CMYKcmyk(57.6%, 43.3%, 0%, 3.9%)
CIE-LABlab(59.89, 18.61, -56.94)
CIE-LCHlch(59.89, 59.90, 288.10°)
OKLaboklab(66.08% -0.0056 -0.1622)
OKLCHoklch(66.08% 0.162 268)
XYZxyz(31.4174, 27.9984, 90.1171)
Luminance0.2800 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BF5 #F5D268
analogous
#68D2F5 #688BF5 #8B68F5
triadic
#688BF5 #F5688B #8BF568
tetradic
#688BF5 #F568D2 #F5D268 #68F58B
square
#688BF5 #F568D2 #F5D268 #68F58B
split-complementary
#688BF5 #F58B68 #D2F568
monochromatic
#0E3FD5 #2F5FF1 #688BF5 #A1B7F9 #DBE3FD

Accessibility & contrast

On white

3.18
#688BF5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.60
#688BF5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF5
6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BF5#FFFFFF#000000##000000
##688BF51.003.186.606.60
#FFFFFF3.181.0021.0021.00
#0000006.6021.001.001.00
##0000006.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B97F9
Deuteranopia (green-blind)
#488AF3
Tritanopia (blue-blind)
#00A3B4
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #688bf5;
/* rgb */ color: rgb(104, 139, 245);
/* oklch */ color: oklch(66.1% 0.162 268.0);
Tailwind
colors: {
  custom: {
    50: '#9dacf9',
    500: '#688bf5',
    950: '#000000',
  },
}
SCSS
$custom: #688bf5;
$custom-light: #9dacf9;
$custom-dark: #000000;
JSON
{
  "hex": "#688bf5",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 245
  },
  "hsl": {
    "h": 225.106,
    "s": 87.578,
    "l": 68.431
  },
  "oklch": {
    "l": 0.66082,
    "c": 0.16226,
    "h": 268
  },
  "luminance": 0.28001
}

Semantic roles & 50–950 ramp

primary
#688BF5
secondary
#F2E7C7
accent
#AC01E4
background
#FAFAFF
surface
#F4F4FF
border
#CECED7
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688BF5

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

Preview Lab → · Contrast checker → · Palette generator →

#688BF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva