#688DBB#688DBB

#688DBB is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.4% C 0.081 H 254.3°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#688DBB
RGBrgb(104, 141, 187)
HSLhsl(213, 38%, 57%)
HSVhsv(213, 44%, 73%)
CMYKcmyk(44.4%, 24.6%, 0%, 26.7%)
CIE-LABlab(57.64, -0.49, -28.02)
CIE-LCHlch(57.64, 28.03, 269.00°)
OKLaboklab(63.42% -0.022 -0.0781)
OKLCHoklch(63.42% 0.081 254.3)
XYZxyz(24.2005, 25.5792, 50.6661)
Luminance0.2558 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688DBB #BB9668
analogous
#68B7BB #688DBB #6D68BB
triadic
#688DBB #BB688D #8DBB68
tetradic
#688DBB #BB68B7 #BB9668 #68BB6D
square
#688DBB #BB68B7 #BB9668 #68BB6D
split-complementary
#688DBB #BB6D68 #B7BB68
monochromatic
#345174 #476E9E #688DBB #92ADCE #BCCDE1

Accessibility & contrast

On white

3.43
#688DBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.12
#688DBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688DBB
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688DBB#FFFFFF#000000##000000
##688DBB1.003.436.126.12
#FFFFFF3.431.0021.0021.00
#0000006.1221.001.001.00
##0000006.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8FBD
Deuteranopia (green-blind)
#7287BA
Tritanopia (blue-blind)
#48979D
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #688dbb;
/* rgb */ color: rgb(104, 141, 187);
/* oklch */ color: oklch(63.4% 0.081 254.3);
Tailwind
colors: {
  custom: {
    50: '#97aecf',
    500: '#688dbb',
    950: '#000000',
  },
}
SCSS
$custom: #688dbb;
$custom-light: #97aecf;
$custom-dark: #000000;
JSON
{
  "hex": "#688dbb",
  "rgb": {
    "r": 104,
    "g": 141,
    "b": 187
  },
  "hsl": {
    "h": 213.253,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63421,
    "c": 0.0811,
    "h": 254.3
  },
  "luminance": 0.25581
}

Semantic roles & 50–950 ramp

primary
#688DBB
secondary
#D0C1AF
accent
#9A5ACE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688DBB

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

Preview Lab → · Contrast checker → · Palette generator →

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