#688FBB#688FBB

#688FBB is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.9% C 0.079 H 252.0°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#688FBB
RGBrgb(104, 143, 187)
HSLhsl(212, 38%, 57%)
HSVhsv(212, 44%, 73%)
CMYKcmyk(44.4%, 23.5%, 0%, 26.7%)
CIE-LABlab(58.20, -1.64, -27.15)
CIE-LCHlch(58.20, 27.20, 266.55°)
OKLaboklab(63.87% -0.0245 -0.0756)
OKLCHoklch(63.87% 0.079 252)
XYZxyz(24.4980, 26.1743, 50.7653)
Luminance0.2618 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688FBB #BB9468
analogous
#68B9BB #688FBB #6A68BB
triadic
#688FBB #BB688F #8FBB68
tetradic
#688FBB #BB68B9 #BB9468 #68BB6A
square
#688FBB #BB68B9 #BB9468 #68BB6A
split-complementary
#688FBB #BB6A68 #B9BB68
monochromatic
#345274 #47709E #688FBB #92AECE #BCCEE1

Accessibility & contrast

On white

3.37
#688FBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#688FBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688FBB
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688FBB#FFFFFF#000000##000000
##688FBB1.003.376.246.24
#FFFFFF3.371.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E91BD
Deuteranopia (green-blind)
#7488BA
Tritanopia (blue-blind)
#47999E
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #688fbb;
/* rgb */ color: rgb(104, 143, 187);
/* oklch */ color: oklch(63.9% 0.079 252.0);
Tailwind
colors: {
  custom: {
    50: '#97afcf',
    500: '#688fbb',
    950: '#000000',
  },
}
SCSS
$custom: #688fbb;
$custom-light: #97afcf;
$custom-dark: #000000;
JSON
{
  "hex": "#688fbb",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 211.807,
    "s": 37.9,
    "l": 57.059
  },
  "oklch": {
    "l": 0.63866,
    "c": 0.07943,
    "h": 252
  },
  "luminance": 0.26176
}

Semantic roles & 50–950 ramp

primary
#688FBB
secondary
#D0C0AF
accent
#975ACE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688FBB

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

Preview Lab → · Contrast checker → · Palette generator →

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