#6691C0#6691C0

#6691C0 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.4% C 0.085 H 251.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#6691C0
RGBrgb(102, 145, 192)
HSLhsl(211, 42%, 58%)
HSVhsv(211, 47%, 75%)
CMYKcmyk(46.9%, 24.5%, 0%, 24.7%)
CIE-LABlab(58.86, -1.83, -28.97)
CIE-LCHlch(58.86, 29.02, 266.39°)
OKLaboklab(64.42% -0.0272 -0.0808)
OKLCHoklch(64.42% 0.085 251.4)
XYZxyz(25.1161, 26.8796, 53.7238)
Luminance0.2688 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6691C0 #C09566
analogous
#66BEC0 #6691C0 #6866C0
triadic
#6691C0 #C06691 #91C066
tetradic
#6691C0 #C066BE #C09566 #66C068
square
#6691C0 #C066BE #C09566 #66C068
split-complementary
#6691C0 #C06866 #BEC066
monochromatic
#32547A #4472A5 #6691C0 #91B0D2 #BDCFE4

Accessibility & contrast

On white

3.29
#6691C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.38
#6691C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691C0
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6691C0#FFFFFF#000000##000000
##6691C01.003.296.386.38
#FFFFFF3.291.0021.0021.00
#0000006.3821.001.001.00
##0000006.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7E93C2
Deuteranopia (green-blind)
#738ABF
Tritanopia (blue-blind)
#409CA1
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6691c0;
/* rgb */ color: rgb(102, 145, 192);
/* oklch */ color: oklch(64.4% 0.085 251.4);
Tailwind
colors: {
  custom: {
    50: '#96b1d3',
    500: '#6691c0',
    950: '#000000',
  },
}
SCSS
$custom: #6691c0;
$custom-light: #96b1d3;
$custom-dark: #000000;
JSON
{
  "hex": "#6691c0",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 192
  },
  "hsl": {
    "h": 211.333,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.64423,
    "c": 0.08526,
    "h": 251.4
  },
  "luminance": 0.26881
}

Semantic roles & 50–950 ramp

primary
#6691C0
secondary
#D3C2AF
accent
#9756D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #6691C0

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

Preview Lab → · Contrast checker → · Palette generator →

#6691C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva