#668DB5#668DB5

#668DB5 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 63.0% C 0.075 H 249.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#668DB5
RGBrgb(102, 141, 181)
HSLhsl(210, 35%, 55%)
HSVhsv(210, 44%, 71%)
CMYKcmyk(43.6%, 22.1%, 0%, 29%)
CIE-LABlab(57.28, -2.74, -25.17)
CIE-LCHlch(57.28, 25.32, 263.78°)
OKLaboklab(63.03% -0.0259 -0.0699)
OKLCHoklch(63.03% 0.075 249.7)
XYZxyz(23.3421, 25.2093, 47.3430)
Luminance0.2521 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668DB5 #B58E66
analogous
#66B4B5 #668DB5 #6666B5
triadic
#668DB5 #B5668D #8DB566
tetradic
#668DB5 #B566B4 #B58E66 #66B566
square
#668DB5 #B566B4 #B58E66 #66B566
split-complementary
#668DB5 #B56666 #B4B566
monochromatic
#34506C #486E95 #668DB5 #8FACC9 #B8CADD

Accessibility & contrast

On white

3.48
#668DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.04
#668DB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668DB5
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668DB5#FFFFFF#000000##000000
##668DB51.003.486.046.04
#FFFFFF3.481.0021.0021.00
#0000006.0421.001.001.00
##0000006.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8EB7
Deuteranopia (green-blind)
#7386B4
Tritanopia (blue-blind)
#47969A
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #668db5;
/* rgb */ color: rgb(102, 141, 181);
/* oklch */ color: oklch(63.0% 0.075 249.7);
Tailwind
colors: {
  custom: {
    50: '#95aecb',
    500: '#668db5',
    950: '#000000',
  },
}
SCSS
$custom: #668db5;
$custom-light: #95aecb;
$custom-dark: #000000;
JSON
{
  "hex": "#668db5",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 181
  },
  "hsl": {
    "h": 210.38,
    "s": 34.802,
    "l": 55.49
  },
  "oklch": {
    "l": 0.63031,
    "c": 0.07458,
    "h": 249.7
  },
  "luminance": 0.25211
}

Semantic roles & 50–950 ramp

primary
#668DB5
secondary
#CCBCAB
accent
#955DCB
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82

Preview Lab

Preview with #668DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#668DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva