#688FBC#688FBC

#688FBC is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.9% C 0.081 H 252.6°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#688FBC
RGBrgb(104, 143, 188)
HSLhsl(212, 39%, 57%)
HSVhsv(212, 45%, 74%)
CMYKcmyk(44.7%, 23.9%, 0%, 26.3%)
CIE-LABlab(58.24, -1.35, -27.65)
CIE-LCHlch(58.24, 27.69, 267.21°)
OKLaboklab(63.91% -0.0242 -0.077)
OKLCHoklch(63.91% 0.081 252.6)
XYZxyz(24.6055, 26.2173, 51.3311)
Luminance0.2622 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688FBC #BC9568
analogous
#68B9BC #688FBC #6B68BC
triadic
#688FBC #BC688F #8FBC68
tetradic
#688FBC #BC68B9 #BC9568 #68BC6B
square
#688FBC #BC68B9 #BC9568 #68BC6B
split-complementary
#688FBC #BC6B68 #B9BC68
monochromatic
#345275 #4770A0 #688FBC #92AECF #BDCEE2

Accessibility & contrast

On white

3.36
#688FBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

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

Best text color

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

Contrast matrix

fg \ bg##688FBC#FFFFFF#000000##000000
##688FBC1.003.366.246.24
#FFFFFF3.361.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E91BE
Deuteranopia (green-blind)
#7388BB
Tritanopia (blue-blind)
#47999E
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #688fbc;
/* rgb */ color: rgb(104, 143, 188);
/* oklch */ color: oklch(63.9% 0.081 252.6);
Tailwind
colors: {
  custom: {
    50: '#97afd0',
    500: '#688fbc',
    950: '#000000',
  },
}
SCSS
$custom: #688fbc;
$custom-light: #97afd0;
$custom-dark: #000000;
JSON
{
  "hex": "#688fbc",
  "rgb": {
    "r": 104,
    "g": 143,
    "b": 188
  },
  "hsl": {
    "h": 212.143,
    "s": 38.532,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63911,
    "c": 0.0807,
    "h": 252.6
  },
  "luminance": 0.26219
}

Semantic roles & 50–950 ramp

primary
#688FBC
secondary
#D1C1AF
accent
#9859CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688FBC

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

Preview Lab → · Contrast checker → · Palette generator →

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