#688DB8#688DB8

#688DB8 is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.077 H 252.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#688DB8
RGBrgb(104, 141, 184)
HSLhsl(212, 36%, 56%)
HSVhsv(212, 43%, 72%)
CMYKcmyk(43.5%, 23.4%, 0%, 27.8%)
CIE-LABlab(57.51, -1.35, -26.51)
CIE-LCHlch(57.51, 26.54, 267.08°)
OKLaboklab(63.29% -0.023 -0.0737)
OKLCHoklch(63.29% 0.077 252.7)
XYZxyz(23.8827, 25.4520, 48.9924)
Luminance0.2545 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DB8 #B89368
analogous
#68B5B8 #688DB8 #6B68B8
triadic
#688DB8 #B8688D #8DB868
tetradic
#688DB8 #B868B5 #B89368 #68B86B
square
#688DB8 #B868B5 #B89368 #68B86B
split-complementary
#688DB8 #B86B68 #B5B868
monochromatic
#355171 #496E9A #688DB8 #92ACCC #BBCCDF

Accessibility & contrast

On white

3.45
#688DB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#688DB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DB8
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DB8#FFFFFF#000000##000000
##688DB81.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8FBA
Deuteranopia (green-blind)
#7387B7
Tritanopia (blue-blind)
#4A979C
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688db8;
/* rgb */ color: rgb(104, 141, 184);
/* oklch */ color: oklch(63.3% 0.077 252.7);
Tailwind
colors: {
  custom: {
    50: '#96aecd',
    500: '#688db8',
    950: '#000000',
  },
}
SCSS
$custom: #688db8;
$custom-light: #96aecd;
$custom-dark: #000000;
JSON
{
  "hex": "#688db8",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 184
  },
  "hsl": {
    "h": 212.25,
    "s": 36.036,
    "l": 56.471
  },
  "oklch": {
    "l": 0.63285,
    "c": 0.07722,
    "h": 252.7
  },
  "luminance": 0.25454
}

Semantic roles & 50–950 ramp

primary
#688DB8
secondary
#CEBFAD
accent
#985CCC
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #688DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#688DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva