#6691C4#6691C4

#6691C4 is a light, moderate cyan. Relative luminance 0.271; OKLCH L 64.6% C 0.090 H 253.3°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX#6691C4
RGBrgb(102, 145, 196)
HSLhsl(213, 44%, 58%)
HSVhsv(213, 48%, 77%)
CMYKcmyk(48%, 26%, 0%, 23.1%)
CIE-LABlab(59.03, -0.65, -30.97)
CIE-LCHlch(59.03, 30.97, 268.81°)
OKLaboklab(64.61% -0.0259 -0.0865)
OKLCHoklch(64.61% 0.09 253.3)
XYZxyz(25.5653, 27.0593, 56.0897)
Luminance0.2706 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6691C4 #C49966
analogous
#66C0C4 #6691C4 #6A66C4
triadic
#6691C4 #C46691 #91C466
tetradic
#6691C4 #C466C0 #C49966 #66C46A
square
#6691C4 #C466C0 #C49966 #66C46A
split-complementary
#6691C4 #C46A66 #C0C466
monochromatic
#31547F #4272AB #6691C4 #92B1D5 #BED1E6

Accessibility & contrast

On white

3.28
#6691C4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.41
#6691C4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691C4
6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6691C4#FFFFFF#000000##000000
##6691C41.003.286.416.41
#FFFFFF3.281.0021.0021.00
#0000006.4121.001.001.00
##0000006.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D93C6
Deuteranopia (green-blind)
#718AC3
Tritanopia (blue-blind)
#3D9CA3
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6691c4;
/* rgb */ color: rgb(102, 145, 196);
/* oklch */ color: oklch(64.6% 0.090 253.3);
Tailwind
colors: {
  custom: {
    50: '#96b1d6',
    500: '#6691c4',
    950: '#000000',
  },
}
SCSS
$custom: #6691c4;
$custom-light: #96b1d6;
$custom-dark: #000000;
JSON
{
  "hex": "#6691c4",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 196
  },
  "hsl": {
    "h": 212.553,
    "s": 44.34,
    "l": 58.431
  },
  "oklch": {
    "l": 0.64609,
    "c": 0.09034,
    "h": 253.3
  },
  "luminance": 0.27061
}

Semantic roles & 50–950 ramp

primary
#6691C4
secondary
#D6C4B0
accent
#9954D4
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83

Preview Lab

Preview with #6691C4

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

Preview Lab → · Contrast checker → · Palette generator →

#6691C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva