#669DB8#669DB8

#669DB8 is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.8% C 0.070 H 230.4°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX#669DB8
RGBrgb(102, 157, 184)
HSLhsl(200, 37%, 56%)
HSVhsv(200, 45%, 72%)
CMYKcmyk(44.6%, 14.7%, 0%, 27.8%)
CIE-LABlab(62.00, -10.85, -19.65)
CIE-LCHlch(62.00, 22.44, 241.10°)
OKLaboklab(66.8% -0.0449 -0.0543)
OKLCHoklch(66.8% 0.07 230.4)
XYZxyz(26.1851, 30.3976, 49.8256)
Luminance0.3040 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#669DB8 #B88166
analogous
#66B8AA #669DB8 #6674B8
triadic
#669DB8 #B8669D #9DB866
tetradic
#669DB8 #AA66B8 #B88166 #74B866
square
#669DB8 #AA66B8 #B88166 #74B866
split-complementary
#669DB8 #B86674 #B8AA66
monochromatic
#345C70 #477E9A #669DB8 #90B8CB #BAD3DF

Accessibility & contrast

On white

2.97
#669DB8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.08
#669DB8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #669DB8
7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##669DB8#FFFFFF#000000##000000
##669DB81.002.977.087.08
#FFFFFF2.971.0021.0021.00
#0000007.0821.001.001.00
##0000007.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#909BB9
Deuteranopia (green-blind)
#8492B8
Tritanopia (blue-blind)
#42A5A6
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #669db8;
/* rgb */ color: rgb(102, 157, 184);
/* oklch */ color: oklch(66.8% 0.070 230.4);
Tailwind
colors: {
  custom: {
    50: '#96bacd',
    500: '#669db8',
    950: '#000000',
  },
}
SCSS
$custom: #669db8;
$custom-light: #96bacd;
$custom-dark: #000000;
JSON
{
  "hex": "#669db8",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 184
  },
  "hsl": {
    "h": 199.756,
    "s": 36.607,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66796,
    "c": 0.07043,
    "h": 230.4
  },
  "luminance": 0.30399
}

Semantic roles & 50–950 ramp

primary
#669DB8
secondary
#CEB7AC
accent
#815BCD
background
#F9FBFC
surface
#F2F6F9
border
#CCD0D2
text
#0E1113
muted
#7E8082

Preview Lab

Preview with #669DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#669DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva