#6690DC#6690DC

#6690DC is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.123 H 261.6°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX#6690DC
RGBrgb(102, 144, 220)
HSLhsl(219, 63%, 63%)
HSVhsv(219, 54%, 86%)
CMYKcmyk(53.6%, 34.5%, 0%, 13.7%)
CIE-LABlab(59.83, 7.28, -43.17)
CIE-LCHlch(59.83, 43.78, 279.57°)
OKLaboklab(65.59% -0.018 -0.1219)
OKLCHoklch(65.59% 0.123 261.6)
XYZxyz(28.3666, 27.9365, 71.5937)
Luminance0.2794 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6690DC #DCB266
analogous
#66CBDC #6690DC #7766DC
triadic
#6690DC #DC6690 #90DC66
tetradic
#6690DC #DC66CB #DCB266 #66DC77
square
#6690DC #DC66CB #DCB266 #66DC77
split-complementary
#6690DC #DC7766 #CBDC66
monochromatic
#2552A2 #346CD1 #6690DC #98B4E7 #CAD8F3

Accessibility & contrast

On white

3.19
#6690DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.59
#6690DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6690DC
6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6690DC#FFFFFF#000000##000000
##6690DC1.003.196.596.59
#FFFFFF3.191.0021.0021.00
#0000006.5921.001.001.00
##0000006.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7296DF
Deuteranopia (green-blind)
#638BDA
Tritanopia (blue-blind)
#24A1AC
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #6690dc;
/* rgb */ color: rgb(102, 144, 220);
/* oklch */ color: oklch(65.6% 0.123 261.6);
Tailwind
colors: {
  custom: {
    50: '#99b0e7',
    500: '#6690dc',
    950: '#000000',
  },
}
SCSS
$custom: #6690dc;
$custom-light: #99b0e7;
$custom-dark: #000000;
JSON
{
  "hex": "#6690dc",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 220
  },
  "hsl": {
    "h": 218.644,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6559,
    "c": 0.1232,
    "h": 261.6
  },
  "luminance": 0.27939
}

Semantic roles & 50–950 ramp

primary
#6690DC
secondary
#E4D5BA
accent
#8C1BCB
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #6690DC

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

Preview Lab → · Contrast checker → · Palette generator →

#6690DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva