#688CBC#688CBC

#688CBC is a light, moderate cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.083 H 255.8°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX#688CBC
RGBrgb(104, 140, 188)
HSLhsl(214, 39%, 57%)
HSVhsv(214, 45%, 74%)
CMYKcmyk(44.7%, 25.5%, 0%, 26.3%)
CIE-LABlab(57.39, 0.38, -28.97)
CIE-LCHlch(57.39, 28.97, 270.75°)
OKLaboklab(63.25% -0.0204 -0.0808)
OKLCHoklch(63.25% 0.083 255.8)
XYZxyz(24.1611, 25.3286, 51.1830)
Luminance0.2533 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CBC #BC9868
analogous
#68B6BC #688CBC #6E68BC
triadic
#688CBC #BC688C #8CBC68
tetradic
#688CBC #BC68B6 #BC9868 #68BC6E
square
#688CBC #BC68B6 #BC9868 #68BC6E
split-complementary
#688CBC #BC6E68 #B6BC68
monochromatic
#345075 #476DA0 #688CBC #92ACCF #BDCDE2

Accessibility & contrast

On white

3.46
#688CBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.07
#688CBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CBC
6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CBC#FFFFFF#000000##000000
##688CBC1.003.466.076.07
#FFFFFF3.461.0021.0021.00
#0000006.0721.001.001.00
##0000006.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A8EBE
Deuteranopia (green-blind)
#7086BB
Tritanopia (blue-blind)
#47979C
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688cbc;
/* rgb */ color: rgb(104, 140, 188);
/* oklch */ color: oklch(63.2% 0.083 255.8);
Tailwind
colors: {
  custom: {
    50: '#97add0',
    500: '#688cbc',
    950: '#000000',
  },
}
SCSS
$custom: #688cbc;
$custom-light: #97add0;
$custom-dark: #000000;
JSON
{
  "hex": "#688cbc",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 188
  },
  "hsl": {
    "h": 214.286,
    "s": 38.532,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63246,
    "c": 0.0833,
    "h": 255.8
  },
  "luminance": 0.2533
}

Semantic roles & 50–950 ramp

primary
#688CBC
secondary
#D1C2AF
accent
#9C59CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688CBC

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

Preview Lab → · Contrast checker → · Palette generator →

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