#688BBF#688BBF

#688BBF is a light, moderate blue. Relative luminance 0.252; OKLCH L 63.2% C 0.088 H 258.1°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#688BBF
RGBrgb(104, 139, 191)
HSLhsl(216, 40%, 58%)
HSVhsv(216, 46%, 75%)
CMYKcmyk(45.5%, 27.2%, 0%, 25.1%)
CIE-LABlab(57.24, 1.84, -30.91)
CIE-LCHlch(57.24, 30.96, 273.41°)
OKLaboklab(63.17% -0.0182 -0.0863)
OKLCHoklch(63.17% 0.088 258.1)
XYZxyz(24.3424, 25.1684, 52.8554)
Luminance0.2517 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#688BBF #BF9C68
analogous
#68B6BF #688BBF #7068BF
triadic
#688BBF #BF688B #8BBF68
tetradic
#688BBF #BF68B6 #BF9C68 #68BF70
square
#688BBF #BF68B6 #BF9C68 #68BF70
split-complementary
#688BBF #BF7068 #B6BF68
monochromatic
#334F79 #466CA4 #688BBF #93ACD1 #BECDE3

Accessibility & contrast

On white

3.48
#688BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#688BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #688BBF
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##688BBF#FFFFFF#000000##000000
##688BBF1.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#778EC1
Deuteranopia (green-blind)
#6D86BE
Tritanopia (blue-blind)
#46969D
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #688bbf;
/* rgb */ color: rgb(104, 139, 191);
/* oklch */ color: oklch(63.2% 0.088 258.1);
Tailwind
colors: {
  custom: {
    50: '#97acd2',
    500: '#688bbf',
    950: '#000000',
  },
}
SCSS
$custom: #688bbf;
$custom-light: #97acd2;
$custom-dark: #000000;
JSON
{
  "hex": "#688bbf",
  "rgb": {
    "r": 104,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 215.862,
    "s": 40.465,
    "l": 57.843
  },
  "oklch": {
    "l": 0.63166,
    "c": 0.08825,
    "h": 258.1
  },
  "luminance": 0.2517
}

Semantic roles & 50–950 ramp

primary
#688BBF
secondary
#D3C5B0
accent
#A057D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #688BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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