#688EEC#688EEC

#688EEC is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.2% C 0.146 H 265.9°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#688EEC
RGBrgb(104, 142, 236)
HSLhsl(223, 78%, 67%)
HSVhsv(223, 56%, 93%)
CMYKcmyk(55.9%, 39.8%, 0%, 7.5%)
CIE-LABlab(60.20, 13.94, -51.47)
CIE-LCHlch(60.20, 53.33, 285.15°)
OKLaboklab(66.16% -0.0104 -0.1461)
OKLCHoklch(66.16% 0.146 265.9)
XYZxyz(30.5171, 28.3428, 83.2032)
Luminance0.2834 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688EEC #ECC668
analogous
#68D0EC #688EEC #8468EC
triadic
#688EEC #EC688E #8EEC68
tetradic
#688EEC #EC68D0 #ECC668 #68EC84
square
#688EEC #EC68D0 #ECC668 #68EC84
split-complementary
#688EEC #EC8468 #D0EC68
monochromatic
#1849C1 #3265E5 #688EEC #9EB7F3 #D5DFFA

Accessibility & contrast

On white

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

On black

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

Best text color

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

Contrast matrix

fg \ bg##688EEC#FFFFFF#000000##000000
##688EEC1.003.156.676.67
#FFFFFF3.151.0021.0021.00
#0000006.6721.001.001.00
##0000006.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6698F0
Deuteranopia (green-blind)
#568CEA
Tritanopia (blue-blind)
#0AA3B2
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #688eec;
/* rgb */ color: rgb(104, 142, 236);
/* oklch */ color: oklch(66.2% 0.146 265.9);
Tailwind
colors: {
  custom: {
    50: '#9caef2',
    500: '#688eec',
    950: '#000000',
  },
}
SCSS
$custom: #688eec;
$custom-light: #9caef2;
$custom-dark: #000000;
JSON
{
  "hex": "#688eec",
  "rgb": {
    "r": 104,
    "g": 142,
    "b": 236
  },
  "hsl": {
    "h": 222.727,
    "s": 77.647,
    "l": 66.667
  },
  "oklch": {
    "l": 0.66163,
    "c": 0.14648,
    "h": 265.9
  },
  "luminance": 0.28345
}

Semantic roles & 50–950 ramp

primary
#688EEC
secondary
#EDE1C3
accent
#9F0CDA
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F1017
muted
#7F7F85

Preview Lab

Preview with #688EEC

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

Preview Lab → · Contrast checker → · Palette generator →

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