#688BB3#688BB3

#688BB3 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.6% C 0.072 H 252.3°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX#688BB3
RGBrgb(104, 139, 179)
HSLhsl(212, 33%, 55%)
HSVhsv(212, 42%, 70%)
CMYKcmyk(41.9%, 22.3%, 0%, 29.8%)
CIE-LABlab(56.74, -1.63, -24.85)
CIE-LCHlch(56.74, 24.90, 266.24°)
OKLaboklab(62.61% -0.0221 -0.069)
OKLCHoklch(62.61% 0.072 252.3)
XYZxyz(23.0756, 24.6616, 46.1833)
Luminance0.2466 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BB3 #B39068
analogous
#68B1B3 #688BB3 #6A68B3
triadic
#688BB3 #B3688B #8BB368
tetradic
#688BB3 #B368B1 #B39068 #68B36A
square
#688BB3 #B368B1 #B39068 #68B36A
split-complementary
#688BB3 #B36A68 #B1B368
monochromatic
#364F6B #4A6C94 #688BB3 #91AAC7 #B9CADC

Accessibility & contrast

On white

3.54
#688BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.93
#688BB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BB3
5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BB3#FFFFFF#000000##000000
##688BB31.003.545.935.93
#FFFFFF3.541.0021.0021.00
#0000005.9321.001.001.00
##0000005.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C8CB5
Deuteranopia (green-blind)
#7385B2
Tritanopia (blue-blind)
#4D9498
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #688bb3;
/* rgb */ color: rgb(104, 139, 179);
/* oklch */ color: oklch(62.6% 0.072 252.3);
Tailwind
colors: {
  custom: {
    50: '#96acca',
    500: '#688bb3',
    950: '#000000',
  },
}
SCSS
$custom: #688bb3;
$custom-light: #96acca;
$custom-dark: #000000;
JSON
{
  "hex": "#688bb3",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 212,
    "s": 33.04,
    "l": 55.49
  },
  "oklch": {
    "l": 0.62615,
    "c": 0.07243,
    "h": 252.3
  },
  "luminance": 0.24663
}

Semantic roles & 50–950 ramp

primary
#688BB3
secondary
#CBBCAC
accent
#975FC9
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0E1013
muted
#7E7F82

Preview Lab

Preview with #688BB3

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

Preview Lab → · Contrast checker → · Palette generator →

#688BB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva