#6691CE#6691CE

#6691CE is a light, moderate blue. Relative luminance 0.275; OKLCH L 65.1% C 0.103 H 257.2°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#6691CE
RGBrgb(102, 145, 206)
HSLhsl(215, 51%, 60%)
HSVhsv(215, 50%, 81%)
CMYKcmyk(50.5%, 29.6%, 0%, 19.2%)
CIE-LABlab(59.46, 2.37, -35.92)
CIE-LCHlch(59.46, 36.00, 273.77°)
OKLaboklab(65.09% -0.0229 -0.1008)
OKLCHoklch(65.09% 0.103 257.2)
XYZxyz(26.7417, 27.5299, 62.2852)
Luminance0.2753 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6691CE #CEA366
analogous
#66C5CE #6691CE #6F66CE
triadic
#6691CE #CE6691 #91CE66
tetradic
#6691CE #CE66C5 #CEA366 #66CE6F
square
#6691CE #CE66C5 #CEA366 #66CE6F
split-complementary
#6691CE #CE6F66 #C5CE66
monochromatic
#2D558D #3C70BB #6691CE #94B2DD #C3D4EC

Accessibility & contrast

On white

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

On black

6.51
#6691CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691CE
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6691CE#FFFFFF#000000##000000
##6691CE1.003.236.516.51
#FFFFFF3.231.0021.0021.00
#0000006.5121.001.001.00
##0000006.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7995D1
Deuteranopia (green-blind)
#6D8BCD
Tritanopia (blue-blind)
#349EA7
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #6691ce;
/* rgb */ color: rgb(102, 145, 206);
/* oklch */ color: oklch(65.1% 0.103 257.2);
Tailwind
colors: {
  custom: {
    50: '#97b1dd',
    500: '#6691ce',
    950: '#000000',
  },
}
SCSS
$custom: #6691ce;
$custom-light: #97b1dd;
$custom-dark: #000000;
JSON
{
  "hex": "#6691ce",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 206
  },
  "hsl": {
    "h": 215.192,
    "s": 51.485,
    "l": 60.392
  },
  "oklch": {
    "l": 0.6509,
    "c": 0.10339,
    "h": 257.2
  },
  "luminance": 0.27532
}

Semantic roles & 50–950 ramp

primary
#6691CE
secondary
#DCCBB4
accent
#8027BF
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #6691CE

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

Preview Lab → · Contrast checker → · Palette generator →

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