#688BF0#688BF0

#688BF0 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.8% C 0.155 H 267.6°. Best body text is #000000 at 6.54:1 contrast (WCAG AA passes).

Color values

HEX#688BF0
RGBrgb(104, 139, 240)
HSLhsl(225, 82%, 67%)
HSVhsv(225, 57%, 94%)
CMYKcmyk(56.7%, 42.1%, 0%, 5.9%)
CIE-LABlab(59.61, 17.00, -54.61)
CIE-LCHlch(59.61, 57.20, 287.29°)
OKLaboklab(65.78% -0.0064 -0.1553)
OKLCHoklch(65.78% 0.155 267.6)
XYZxyz(30.6644, 27.6972, 86.1513)
Luminance0.2770 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BF0 #F0CD68
analogous
#68CFF0 #688BF0 #8968F0
triadic
#688BF0 #F0688B #8BF068
tetradic
#688BF0 #F068CF #F0CD68 #68F089
square
#688BF0 #F068CF #F0CD68 #68F089
split-complementary
#688BF0 #F08968 #CFF068
monochromatic
#1443CA #3060EA #688BF0 #A0B6F6 #D7E1FB

Accessibility & contrast

On white

3.21
#688BF0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.54
#688BF0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BF0
6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BF0#FFFFFF#000000##000000
##688BF01.003.216.546.54
#FFFFFF3.211.0021.0021.00
#0000006.5421.001.001.00
##0000006.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F96F4
Deuteranopia (green-blind)
#4D8AEE
Tritanopia (blue-blind)
#00A1B2
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #688bf0;
/* rgb */ color: rgb(104, 139, 240);
/* oklch */ color: oklch(65.8% 0.155 267.6);
Tailwind
colors: {
  custom: {
    50: '#9dacf5',
    500: '#688bf0',
    950: '#000000',
  },
}
SCSS
$custom: #688bf0;
$custom-light: #9dacf5;
$custom-dark: #000000;
JSON
{
  "hex": "#688bf0",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 240
  },
  "hsl": {
    "h": 224.559,
    "s": 81.928,
    "l": 67.451
  },
  "oklch": {
    "l": 0.65784,
    "c": 0.15547,
    "h": 267.6
  },
  "luminance": 0.277
}

Semantic roles & 50–950 ramp

primary
#688BF0
secondary
#EFE4C5
accent
#A707DE
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688BF0

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

Preview Lab → · Contrast checker → · Palette generator →

#688BF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva