#668AA5#668AA5

#668AA5 is a mid, muted cyan. Relative luminance 0.237; OKLCH L 61.7% C 0.058 H 241.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#668AA5
RGBrgb(102, 138, 165)
HSLhsl(206, 26%, 52%)
HSVhsv(206, 38%, 65%)
CMYKcmyk(38.2%, 16.4%, 0%, 35.3%)
CIE-LABlab(55.80, -5.52, -18.29)
CIE-LCHlch(55.80, 19.10, 253.20°)
OKLaboklab(61.67% -0.0277 -0.0504)
OKLCHoklch(61.67% 0.058 241.2)
XYZxyz(21.3573, 23.7172, 39.0425)
Luminance0.2372 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#668AA5 #A58166
analogous
#66A5A0 #668AA5 #666BA5
triadic
#668AA5 #A5668A #8AA566
tetradic
#668AA5 #A066A5 #A58166 #6BA566
square
#668AA5 #A066A5 #A58166 #6BA566
split-complementary
#668AA5 #A5666B #A5A066
monochromatic
#364B5B #4C6B82 #668AA5 #8DA7BC #B3C5D2

Accessibility & contrast

On white

3.66
#668AA5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#668AA5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668AA5
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##668AA5#FFFFFF#000000##000000
##668AA51.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8AA6
Deuteranopia (green-blind)
#7683A5
Tritanopia (blue-blind)
#509193
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #668aa5;
/* rgb */ color: rgb(102, 138, 165);
/* oklch */ color: oklch(61.7% 0.058 241.2);
Tailwind
colors: {
  custom: {
    50: '#94acbf',
    500: '#668aa5',
    950: '#000000',
  },
}
SCSS
$custom: #668aa5;
$custom-light: #94acbf;
$custom-dark: #000000;
JSON
{
  "hex": "#668aa5",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 165
  },
  "hsl": {
    "h": 205.714,
    "s": 25.926,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61665,
    "c": 0.05751,
    "h": 241.2
  },
  "luminance": 0.23718
}

Semantic roles & 50–950 ramp

primary
#668AA5
secondary
#C1B1A6
accent
#8D65C2
background
#F9FAFB
surface
#F2F4F7
border
#CCCED0
text
#0D1012
muted
#7E7F81

Preview Lab

Preview with #668AA5

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

Preview Lab → · Contrast checker → · Palette generator →

#668AA5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva