#688FE8#688FE8

#688FE8 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.1% C 0.140 H 265.0°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#688FE8
RGBrgb(104, 143, 232)
HSLhsl(222, 74%, 66%)
HSVhsv(222, 55%, 91%)
CMYKcmyk(55.2%, 38.4%, 0%, 9%)
CIE-LABlab(60.26, 12.08, -49.16)
CIE-LCHlch(60.26, 50.62, 283.80°)
OKLaboklab(66.14% -0.0123 -0.1393)
OKLCHoklch(66.14% 0.14 265)
XYZxyz(30.0919, 28.4119, 80.2266)
Luminance0.2841 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688FE8 #E8C168
analogous
#68CFE8 #688FE8 #8168E8
triadic
#688FE8 #E8688F #8FE868
tetradic
#688FE8 #E868CF #E8C168 #68E881
square
#688FE8 #E868CF #E8C168 #68E881
split-complementary
#688FE8 #E88168 #CFE868
monochromatic
#1C4CB9 #3368E0 #688FE8 #9DB6F0 #D2DEF8

Accessibility & contrast

On white

3.14
#688FE8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.68
#688FE8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FE8
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688FE8#FFFFFF#000000##000000
##688FE81.003.146.686.68
#FFFFFF3.141.0021.0021.00
#0000006.6821.001.001.00
##0000006.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A98EC
Deuteranopia (green-blind)
#5A8CE6
Tritanopia (blue-blind)
#17A3B0
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #688fe8;
/* rgb */ color: rgb(104, 143, 232);
/* oklch */ color: oklch(66.1% 0.140 265.0);
Tailwind
colors: {
  custom: {
    50: '#9caff0',
    500: '#688fe8',
    950: '#000000',
  },
}
SCSS
$custom: #688fe8;
$custom-light: #9caff0;
$custom-dark: #000000;
JSON
{
  "hex": "#688fe8",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 232
  },
  "hsl": {
    "h": 221.719,
    "s": 73.563,
    "l": 65.882
  },
  "oklch": {
    "l": 0.66144,
    "c": 0.13987,
    "h": 265
  },
  "luminance": 0.28414
}

Semantic roles & 50–950 ramp

primary
#688FE8
secondary
#EBDEC1
accent
#9910D6
background
#FAFAFE
surface
#F3F4FD
border
#CDCED5
text
#0F1016
muted
#7F7F84

Preview Lab

Preview with #688FE8

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

Preview Lab → · Contrast checker → · Palette generator →

#688FE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva