#668EBB#668EBB

#668EBB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.081 H 252.0°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#668EBB
RGBrgb(102, 142, 187)
HSLhsl(212, 38%, 57%)
HSVhsv(212, 45%, 73%)
CMYKcmyk(45.5%, 24.1%, 0%, 26.7%)
CIE-LABlab(57.81, -1.58, -27.77)
CIE-LCHlch(57.81, 27.82, 266.75°)
OKLaboklab(63.53% -0.0251 -0.0774)
OKLCHoklch(63.53% 0.081 252)
XYZxyz(24.1191, 25.7571, 50.7047)
Luminance0.2576 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668EBB #BB9366
analogous
#66B9BB #668EBB #6966BB
triadic
#668EBB #BB668E #8EBB66
tetradic
#668EBB #BB66B9 #BB9366 #66BB69
square
#668EBB #BB66B9 #BB9366 #66BB69
split-complementary
#668EBB #BB6966 #B9BB66
monochromatic
#335173 #466F9E #668EBB #90ADCE #BBCDE1

Accessibility & contrast

On white

3.41
#668EBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.15
#668EBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668EBB
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668EBB#FFFFFF#000000##000000
##668EBB1.003.416.156.15
#FFFFFF3.411.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C90BD
Deuteranopia (green-blind)
#7287BA
Tritanopia (blue-blind)
#44989D
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #668ebb;
/* rgb */ color: rgb(102, 142, 187);
/* oklch */ color: oklch(63.5% 0.081 252.0);
Tailwind
colors: {
  custom: {
    50: '#96aecf',
    500: '#668ebb',
    950: '#000000',
  },
}
SCSS
$custom: #668ebb;
$custom-light: #96aecf;
$custom-dark: #000000;
JSON
{
  "hex": "#668ebb",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 187
  },
  "hsl": {
    "h": 211.765,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.63525,
    "c": 0.08135,
    "h": 252
  },
  "luminance": 0.25759
}

Semantic roles & 50–950 ramp

primary
#668EBB
secondary
#D0BFAD
accent
#9759CE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #668EBB

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

Preview Lab → · Contrast checker → · Palette generator →

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