#688BBE#688BBE

#688BBE is a light, moderate blue. Relative luminance 0.251; OKLCH L 63.1% C 0.087 H 257.7°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#688BBE
RGBrgb(104, 139, 190)
HSLhsl(216, 40%, 58%)
HSVhsv(216, 45%, 75%)
CMYKcmyk(45.3%, 26.8%, 0%, 25.5%)
CIE-LABlab(57.20, 1.55, -30.41)
CIE-LCHlch(57.20, 30.45, 272.91°)
OKLaboklab(63.12% -0.0185 -0.0849)
OKLCHoklch(63.12% 0.087 257.7)
XYZxyz(24.2327, 25.1245, 52.2778)
Luminance0.2513 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BBE #BE9B68
analogous
#68B6BE #688BBE #7068BE
triadic
#688BBE #BE688B #8BBE68
tetradic
#688BBE #BE68B6 #BE9B68 #68BE70
square
#688BBE #BE68B6 #BE9B68 #68BE70
split-complementary
#688BBE #BE7068 #B6BE68
monochromatic
#344F78 #466CA3 #688BBE #93ACD0 #BECDE3

Accessibility & contrast

On white

3.49
#688BBE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#688BBE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BBE
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BBE#FFFFFF#000000##000000
##688BBE1.003.496.036.03
#FFFFFF3.491.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#788EC0
Deuteranopia (green-blind)
#6E86BD
Tritanopia (blue-blind)
#46969D
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #688bbe;
/* rgb */ color: rgb(104, 139, 190);
/* oklch */ color: oklch(63.1% 0.087 257.7);
Tailwind
colors: {
  custom: {
    50: '#97acd1',
    500: '#688bbe',
    950: '#000000',
  },
}
SCSS
$custom: #688bbe;
$custom-light: #97acd1;
$custom-dark: #000000;
JSON
{
  "hex": "#688bbe",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 190
  },
  "hsl": {
    "h": 215.581,
    "s": 39.815,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63119,
    "c": 0.0869,
    "h": 257.7
  },
  "luminance": 0.25126
}

Semantic roles & 50–950 ramp

primary
#688BBE
secondary
#D2C4B0
accent
#9F58D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688BBE

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

Preview Lab → · Contrast checker → · Palette generator →

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