#688AF0#688AF0

#688AF0 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.6% C 0.157 H 268.0°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#688AF0
RGBrgb(104, 138, 240)
HSLhsl(225, 82%, 67%)
HSVhsv(225, 57%, 94%)
CMYKcmyk(56.7%, 42.5%, 0%, 5.9%)
CIE-LABlab(59.35, 17.60, -55.03)
CIE-LCHlch(59.35, 57.78, 287.74°)
OKLaboklab(65.58% -0.0054 -0.1566)
OKLCHoklch(65.58% 0.157 268)
XYZxyz(30.5203, 27.4089, 86.1033)
Luminance0.2741 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688AF0 #F0CE68
analogous
#68CEF0 #688AF0 #8A68F0
triadic
#688AF0 #F0688A #8AF068
tetradic
#688AF0 #F068CE #F0CE68 #68F08A
square
#688AF0 #F068CE #F0CE68 #68F08A
split-complementary
#688AF0 #F08A68 #CEF068
monochromatic
#1441CA #305FEA #688AF0 #A0B5F6 #D7E0FB

Accessibility & contrast

On white

3.24
#688AF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#688AF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688AF0
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688AF0#FFFFFF#000000##000000
##688AF01.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D95F4
Deuteranopia (green-blind)
#4B89EE
Tritanopia (blue-blind)
#00A1B1
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #688af0;
/* rgb */ color: rgb(104, 138, 240);
/* oklch */ color: oklch(65.6% 0.157 268.0);
Tailwind
colors: {
  custom: {
    50: '#9dabf5',
    500: '#688af0',
    950: '#000000',
  },
}
SCSS
$custom: #688af0;
$custom-light: #9dabf5;
$custom-dark: #000000;
JSON
{
  "hex": "#688af0",
  "rgb": {
    "r": 104,
    "g": 138,
    "b": 240
  },
  "hsl": {
    "h": 225,
    "s": 81.928,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65582,
    "c": 0.15667,
    "h": 268
  },
  "luminance": 0.27411
}

Semantic roles & 50–950 ramp

primary
#688AF0
secondary
#EFE5C5
accent
#A907DE
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688AF0

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

Preview Lab → · Contrast checker → · Palette generator →

#688AF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva