#6487DD#6487DD

#6487DD is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.6% C 0.136 H 266.0°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#6487DD
RGBrgb(100, 135, 221)
HSLhsl(223, 64%, 63%)
HSVhsv(223, 55%, 87%)
CMYKcmyk(54.8%, 38.9%, 0%, 13.3%)
CIE-LABlab(57.32, 12.50, -47.70)
CIE-LCHlch(57.32, 49.31, 284.68°)
OKLaboklab(63.64% -0.0096 -0.1352)
OKLCHoklch(63.64% 0.136 266)
XYZxyz(26.9663, 25.2557, 71.8464)
Luminance0.2526 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6487DD #DDBA64
analogous
#64C3DD #6487DD #7E64DD
triadic
#6487DD #DD6487 #87DD64
tetradic
#6487DD #DD64C3 #DDBA64 #64DD7E
square
#6487DD #DD64C3 #DDBA64 #64DD7E
split-complementary
#6487DD #DD7E64 #C3DD64
monochromatic
#2449A3 #3260D2 #6487DD #96AEE8 #C8D5F3

Accessibility & contrast

On white

3.47
#6487DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#6487DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6487DD
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6487DD#FFFFFF#000000##000000
##6487DD1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6490E0
Deuteranopia (green-blind)
#5585DB
Tritanopia (blue-blind)
#1D9AA7
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #6487dd;
/* rgb */ color: rgb(100, 135, 221);
/* oklch */ color: oklch(63.6% 0.136 266.0);
Tailwind
colors: {
  custom: {
    50: '#98a9e8',
    500: '#6487dd',
    950: '#000000',
  },
}
SCSS
$custom: #6487dd;
$custom-light: #98a9e8;
$custom-dark: #000000;
JSON
{
  "hex": "#6487dd",
  "rgb": {
    "r": 100,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 222.645,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.63635,
    "c": 0.13554,
    "h": 266
  },
  "luminance": 0.25258
}

Semantic roles & 50–950 ramp

primary
#6487DD
secondary
#E4D8B9
accent
#981ACC
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E0F16
muted
#7E7F84

Preview Lab

Preview with #6487DD

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

Preview Lab → · Contrast checker → · Palette generator →

#6487DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva