#6691BF#6691BF

#6691BF is a light, moderate cyan. Relative luminance 0.268; OKLCH L 64.4% C 0.084 H 250.9°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#6691BF
RGBrgb(102, 145, 191)
HSLhsl(211, 41%, 57%)
HSVhsv(211, 47%, 75%)
CMYKcmyk(46.6%, 24.1%, 0%, 25.1%)
CIE-LABlab(58.82, -2.12, -28.46)
CIE-LCHlch(58.82, 28.54, 265.73°)
OKLaboklab(64.38% -0.0275 -0.0793)
OKLCHoklch(64.38% 0.084 250.9)
XYZxyz(25.0057, 26.8355, 53.1422)
Luminance0.2684 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6691BF #BF9466
analogous
#66BEBF #6691BF #6766BF
triadic
#6691BF #BF6691 #91BF66
tetradic
#6691BF #BF66BE #BF9466 #66BF67
square
#6691BF #BF66BE #BF9466 #66BF67
split-complementary
#6691BF #BF6766 #BEBF66
monochromatic
#325478 #4472A3 #6691BF #91B0D1 #BCCFE3

Accessibility & contrast

On white

3.30
#6691BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.37
#6691BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6691BF
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6691BF#FFFFFF#000000##000000
##6691BF1.003.306.376.37
#FFFFFF3.301.0021.0021.00
#0000006.3721.001.001.00
##0000006.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F92C1
Deuteranopia (green-blind)
#748ABE
Tritanopia (blue-blind)
#409BA1
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #6691bf;
/* rgb */ color: rgb(102, 145, 191);
/* oklch */ color: oklch(64.4% 0.084 250.9);
Tailwind
colors: {
  custom: {
    50: '#96b1d2',
    500: '#6691bf',
    950: '#000000',
  },
}
SCSS
$custom: #6691bf;
$custom-light: #96b1d2;
$custom-dark: #000000;
JSON
{
  "hex": "#6691bf",
  "rgb": {
    "r": 102,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 211.011,
    "s": 41.014,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64377,
    "c": 0.084,
    "h": 250.9
  },
  "luminance": 0.26837
}

Semantic roles & 50–950 ramp

primary
#6691BF
secondary
#D2C1AE
accent
#9657D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #6691BF

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

Preview Lab → · Contrast checker → · Palette generator →

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