#6489DC#6489DC

#6489DC is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.0% C 0.132 H 264.8°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#6489DC
RGBrgb(100, 137, 220)
HSLhsl(222, 63%, 63%)
HSVhsv(222, 55%, 86%)
CMYKcmyk(54.5%, 37.7%, 0%, 13.7%)
CIE-LABlab(57.81, 10.99, -46.36)
CIE-LCHlch(57.81, 47.65, 283.33°)
OKLaboklab(64% -0.012 -0.1313)
OKLCHoklch(64% 0.132 264.8)
XYZxyz(27.1151, 25.7659, 71.2407)
Luminance0.2577 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6489DC #DCB764
analogous
#64C5DC #6489DC #7B64DC
triadic
#6489DC #DC6489 #89DC64
tetradic
#6489DC #DC64C5 #DCB764 #64DC7B
square
#6489DC #DC64C5 #DCB764 #64DC7B
split-complementary
#6489DC #DC7B64 #C5DC64
monochromatic
#244BA1 #3263D1 #6489DC #96AFE7 #C8D5F3

Accessibility & contrast

On white

3.41
#6489DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.15
#6489DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6489DC
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6489DC#FFFFFF#000000##000000
##6489DC1.003.416.156.15
#FFFFFF3.411.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6791DF
Deuteranopia (green-blind)
#5986DA
Tritanopia (blue-blind)
#1E9BA8
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #6489dc;
/* rgb */ color: rgb(100, 137, 220);
/* oklch */ color: oklch(64.0% 0.132 264.8);
Tailwind
colors: {
  custom: {
    50: '#98abe7',
    500: '#6489dc',
    950: '#000000',
  },
}
SCSS
$custom: #6489dc;
$custom-light: #98abe7;
$custom-dark: #000000;
JSON
{
  "hex": "#6489dc",
  "rgb": {
    "r": 100,
    "g": 137,
    "b": 220
  },
  "hsl": {
    "h": 221.5,
    "s": 63.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.63997,
    "c": 0.13182,
    "h": 264.8
  },
  "luminance": 0.25768
}

Semantic roles & 50–950 ramp

primary
#6489DC
secondary
#E4D6B8
accent
#951BCB
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #6489DC

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

Preview Lab → · Contrast checker → · Palette generator →

#6489DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva