#6691CD#6691CD

#6691CD is a light, moderate cyan. Relative luminance 0.275; OKLCH L 65.0% C 0.102 H 256.8°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#6691CD
RGBrgb(102, 145, 205)
HSLhsl(215, 51%, 60%)
HSVhsv(215, 50%, 80%)
CMYKcmyk(50.2%, 29.3%, 0%, 19.6%)
CIE-LABlab(59.42, 2.06, -35.43)
CIE-LCHlch(59.42, 35.49, 273.33°)
OKLaboklab(65.04% -0.0232 -0.0994)
OKLCHoklch(65.04% 0.102 256.8)
XYZxyz(26.6206, 27.4814, 61.6474)
Luminance0.2748 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6691CD #CDA266
analogous
#66C5CD #6691CD #6E66CD
triadic
#6691CD #CD6691 #91CD66
tetradic
#6691CD #CD66C5 #CDA266 #66CD6E
square
#6691CD #CD66C5 #CDA266 #66CD6E
split-complementary
#6691CD #CD6E66 #C5CD66
monochromatic
#2D558B #3D71B9 #6691CD #94B2DC #C2D3EB

Accessibility & contrast

On white

3.23
#6691CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.50
#6691CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691CD
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6691CD#FFFFFF#000000##000000
##6691CD1.003.236.506.50
#FFFFFF3.231.0021.0021.00
#0000006.5021.001.001.00
##0000006.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A95D0
Deuteranopia (green-blind)
#6D8BCC
Tritanopia (blue-blind)
#359EA6
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #6691cd;
/* rgb */ color: rgb(102, 145, 205);
/* oklch */ color: oklch(65.0% 0.102 256.8);
Tailwind
colors: {
  custom: {
    50: '#97b1dc',
    500: '#6691cd',
    950: '#000000',
  },
}
SCSS
$custom: #6691cd;
$custom-light: #97b1dc;
$custom-dark: #000000;
JSON
{
  "hex": "#6691cd",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 214.951,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.65041,
    "c": 0.10207,
    "h": 256.8
  },
  "luminance": 0.27483
}

Semantic roles & 50–950 ramp

primary
#6691CD
secondary
#DBCBB4
accent
#7F27BE
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #6691CD

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

Preview Lab → · Contrast checker → · Palette generator →

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