#688DBA#688DBA

#688DBA is a light, moderate cyan. Relative luminance 0.255; OKLCH L 63.4% C 0.080 H 253.8°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#688DBA
RGBrgb(104, 141, 186)
HSLhsl(213, 37%, 57%)
HSVhsv(213, 44%, 73%)
CMYKcmyk(44.1%, 24.2%, 0%, 27.1%)
CIE-LABlab(57.59, -0.78, -27.52)
CIE-LCHlch(57.59, 27.53, 268.38°)
OKLaboklab(63.38% -0.0223 -0.0766)
OKLCHoklch(63.38% 0.08 253.8)
XYZxyz(24.0938, 25.5365, 50.1043)
Luminance0.2554 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DBA #BA9568
analogous
#68B6BA #688DBA #6C68BA
triadic
#688DBA #BA688D #8DBA68
tetradic
#688DBA #BA68B6 #BA9568 #68BA6C
square
#688DBA #BA68B6 #BA9568 #68BA6C
split-complementary
#688DBA #BA6C68 #B6BA68
monochromatic
#355173 #486E9D #688DBA #92ADCD #BCCCE0

Accessibility & contrast

On white

3.44
#688DBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.11
#688DBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DBA
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DBA#FFFFFF#000000##000000
##688DBA1.003.446.116.11
#FFFFFF3.441.0021.0021.00
#0000006.1121.001.001.00
##0000006.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8FBC
Deuteranopia (green-blind)
#7287B9
Tritanopia (blue-blind)
#48979C
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688dba;
/* rgb */ color: rgb(104, 141, 186);
/* oklch */ color: oklch(63.4% 0.080 253.8);
Tailwind
colors: {
  custom: {
    50: '#97aecf',
    500: '#688dba',
    950: '#000000',
  },
}
SCSS
$custom: #688dba;
$custom-light: #97aecf;
$custom-dark: #000000;
JSON
{
  "hex": "#688dba",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 186
  },
  "hsl": {
    "h": 212.927,
    "s": 37.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63376,
    "c": 0.0798,
    "h": 253.8
  },
  "luminance": 0.25538
}

Semantic roles & 50–950 ramp

primary
#688DBA
secondary
#D0C1AE
accent
#995BCD
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #688DBA

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

Preview Lab → · Contrast checker → · Palette generator →

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