#688CB7#688CB7

#688CB7 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 63.0% C 0.077 H 253.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#688CB7
RGBrgb(104, 140, 183)
HSLhsl(213, 35%, 56%)
HSVhsv(213, 43%, 72%)
CMYKcmyk(43.2%, 23.5%, 0%, 28.2%)
CIE-LABlab(57.19, -1.07, -26.44)
CIE-LCHlch(57.19, 26.46, 267.69°)
OKLaboklab(63.02% -0.022 -0.0735)
OKLCHoklch(63.02% 0.077 253.3)
XYZxyz(23.6314, 25.1167, 48.3934)
Luminance0.2512 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688CB7 #B79368
analogous
#68B4B7 #688CB7 #6C68B7
triadic
#688CB7 #B7688C #8CB768
tetradic
#688CB7 #B768B4 #B79368 #68B76C
square
#688CB7 #B768B4 #B79368 #68B76C
split-complementary
#688CB7 #B76C68 #B4B768
monochromatic
#35506F #496D99 #688CB7 #91ACCB #BBCBDF

Accessibility & contrast

On white

3.49
#688CB7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.02
#688CB7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688CB7
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688CB7#FFFFFF#000000##000000
##688CB71.003.496.026.02
#FFFFFF3.491.0021.0021.00
#0000006.0221.001.001.00
##0000006.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8EB9
Deuteranopia (green-blind)
#7286B6
Tritanopia (blue-blind)
#4A969B
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #688cb7;
/* rgb */ color: rgb(104, 140, 183);
/* oklch */ color: oklch(63.0% 0.077 253.3);
Tailwind
colors: {
  custom: {
    50: '#96adcc',
    500: '#688cb7',
    950: '#000000',
  },
}
SCSS
$custom: #688cb7;
$custom-light: #96adcc;
$custom-dark: #000000;
JSON
{
  "hex": "#688cb7",
  "rgb": {
    "r": 104,
    "g": 140,
    "b": 183
  },
  "hsl": {
    "h": 212.658,
    "s": 35.426,
    "l": 56.275
  },
  "oklch": {
    "l": 0.63017,
    "c": 0.07676,
    "h": 253.3
  },
  "luminance": 0.25118
}

Semantic roles & 50–950 ramp

primary
#688CB7
secondary
#CEBFAD
accent
#995CCB
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #688CB7

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

Preview Lab → · Contrast checker → · Palette generator →

#688CB7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva