#688BDA#688BDA

#688BDA is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.125 H 265.0°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#688BDA
RGBrgb(104, 139, 218)
HSLhsl(222, 61%, 63%)
HSVhsv(222, 52%, 85%)
CMYKcmyk(52.3%, 36.2%, 0%, 14.5%)
CIE-LABlab(58.48, 10.04, -44.18)
CIE-LCHlch(58.48, 45.30, 282.80°)
OKLaboklab(64.54% -0.0109 -0.1248)
OKLCHoklch(64.54% 0.125 265)
XYZxyz(27.5922, 26.4683, 69.9710)
Luminance0.2647 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BDA #DAB768
analogous
#68C4DA #688BDA #7E68DA
triadic
#688BDA #DA688B #8BDA68
tetradic
#688BDA #DA68C4 #DAB768 #68DA7E
square
#688BDA #DA68C4 #DAB768 #68DA7E
split-complementary
#688BDA #DA7E68 #C4DA68
monochromatic
#274CA0 #3765CE #688BDA #99B1E6 #CAD7F2

Accessibility & contrast

On white

3.34
#688BDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#688BDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BDA
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BDA#FFFFFF#000000##000000
##688BDA1.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C92DD
Deuteranopia (green-blind)
#5F88D8
Tritanopia (blue-blind)
#2F9CA8
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #688bda;
/* rgb */ color: rgb(104, 139, 218);
/* oklch */ color: oklch(64.5% 0.125 265.0);
Tailwind
colors: {
  custom: {
    50: '#9aace6',
    500: '#688bda',
    950: '#000000',
  },
}
SCSS
$custom: #688bda;
$custom-light: #9aace6;
$custom-dark: #000000;
JSON
{
  "hex": "#688bda",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 218
  },
  "hsl": {
    "h": 221.579,
    "s": 60.638,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64538,
    "c": 0.12529,
    "h": 265
  },
  "luminance": 0.2647
}

Semantic roles & 50–950 ramp

primary
#688BDA
secondary
#E3D7BA
accent
#941DC8
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0F1016
muted
#7E7F84

Preview Lab

Preview with #688BDA

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

Preview Lab → · Contrast checker → · Palette generator →

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