#6683ED#6683ED

#6683ED is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.9% C 0.162 H 269.8°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#6683ED
RGBrgb(102, 131, 237)
HSLhsl(227, 79%, 66%)
HSVhsv(227, 57%, 93%)
CMYKcmyk(57%, 44.7%, 0%, 7.1%)
CIE-LABlab(57.24, 20.44, -56.75)
CIE-LCHlch(57.24, 60.31, 289.81°)
OKLaboklab(63.88% -0.0004 -0.1617)
OKLCHoklch(63.88% 0.162 269.8)
XYZxyz(28.8768, 25.1696, 83.4408)
Luminance0.2517 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6683ED #EDD066
analogous
#66C7ED #6683ED #8D66ED
triadic
#6683ED #ED6683 #83ED66
tetradic
#6683ED #ED66C7 #EDD066 #66ED8D
square
#6683ED #ED66C7 #EDD066 #66ED8D
split-complementary
#6683ED #ED8D66 #C7ED66
monochromatic
#173CC2 #2F57E7 #6683ED #9DAFF3 #D4DCFA

Accessibility & contrast

On white

3.48
#6683ED on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#6683ED on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6683ED
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6683ED#FFFFFF#000000##000000
##6683ED1.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5390F1
Deuteranopia (green-blind)
#4084EB
Tritanopia (blue-blind)
#009BAC
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #6683ed;
/* rgb */ color: rgb(102, 131, 237);
/* oklch */ color: oklch(63.9% 0.162 269.8);
Tailwind
colors: {
  custom: {
    50: '#9ba6f3',
    500: '#6683ed',
    950: '#000000',
  },
}
SCSS
$custom: #6683ed;
$custom-light: #9ba6f3;
$custom-dark: #000000;
JSON
{
  "hex": "#6683ed",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 237
  },
  "hsl": {
    "h": 227.111,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.63882,
    "c": 0.16172,
    "h": 269.8
  },
  "luminance": 0.25172
}

Semantic roles & 50–950 ramp

primary
#6683ED
secondary
#EDE4C2
accent
#AE0ADB
background
#FAFAFE
surface
#F4F4FD
border
#CECED5
text
#0F0F17
muted
#7F7F85

Preview Lab

Preview with #6683ED

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

Preview Lab → · Contrast checker → · Palette generator →

#6683ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva