#688DF1#688DF1

#688DF1 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.2% C 0.154 H 266.9°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#688DF1
RGBrgb(104, 141, 241)
HSLhsl(224, 83%, 68%)
HSVhsv(224, 57%, 95%)
CMYKcmyk(56.8%, 41.5%, 0%, 5.5%)
CIE-LABlab(60.20, 16.13, -54.24)
CIE-LCHlch(60.20, 56.59, 286.57°)
OKLaboklab(66.25% -0.0084 -0.1542)
OKLCHoklch(66.25% 0.154 266.9)
XYZxyz(31.1056, 28.3412, 87.0333)
Luminance0.2834 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DF1 #F1CC68
analogous
#68D1F1 #688DF1 #8868F1
triadic
#688DF1 #F1688D #8DF168
tetradic
#688DF1 #F168D1 #F1CC68 #68F188
square
#688DF1 #F168D1 #F1CC68 #68F188
split-complementary
#688DF1 #F18868 #D1F168
monochromatic
#1345CC #3063EC #688DF1 #A0B7F6 #D8E2FB

Accessibility & contrast

On white

3.15
#688DF1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.67
#688DF1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DF1
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DF1#FFFFFF#000000##000000
##688DF11.003.156.676.67
#FFFFFF3.151.0021.0021.00
#0000006.6721.001.001.00
##0000006.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6298F5
Deuteranopia (green-blind)
#508BEF
Tritanopia (blue-blind)
#00A3B3
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #688df1;
/* rgb */ color: rgb(104, 141, 241);
/* oklch */ color: oklch(66.2% 0.154 266.9);
Tailwind
colors: {
  custom: {
    50: '#9dadf6',
    500: '#688df1',
    950: '#000000',
  },
}
SCSS
$custom: #688df1;
$custom-light: #9dadf6;
$custom-dark: #000000;
JSON
{
  "hex": "#688df1",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 241
  },
  "hsl": {
    "h": 223.796,
    "s": 83.03,
    "l": 67.647
  },
  "oklch": {
    "l": 0.66248,
    "c": 0.15445,
    "h": 266.9
  },
  "luminance": 0.28344
}

Semantic roles & 50–950 ramp

primary
#688DF1
secondary
#F0E4C5
accent
#A506DF
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688DF1

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

Preview Lab → · Contrast checker → · Palette generator →

#688DF1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva