#6489DB#6489DB

#6489DB is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.9% C 0.130 H 264.6°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#6489DB
RGBrgb(100, 137, 219)
HSLhsl(221, 62%, 63%)
HSVhsv(221, 54%, 86%)
CMYKcmyk(54.3%, 37.4%, 0%, 14.1%)
CIE-LABlab(57.76, 10.67, -45.88)
CIE-LCHlch(57.76, 47.11, 283.09°)
OKLaboklab(63.94% -0.0122 -0.1299)
OKLCHoklch(63.94% 0.13 264.6)
XYZxyz(26.9831, 25.7131, 70.5453)
Luminance0.2571 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6489DB #DBB664
analogous
#64C4DB #6489DB #7B64DB
triadic
#6489DB #DB6489 #89DB64
tetradic
#6489DB #DB64C4 #DBB664 #64DB7B
square
#6489DB #DB64C4 #DBB664 #64DB7B
split-complementary
#6489DB #DB7B64 #C4DB64
monochromatic
#254BA0 #3263CF #6489DB #96AFE7 #C7D5F2

Accessibility & contrast

On white

3.42
#6489DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.14
#6489DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6489DB
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6489DB#FFFFFF#000000##000000
##6489DB1.003.426.146.14
#FFFFFF3.421.0021.0021.00
#0000006.1421.001.001.00
##0000006.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6891DE
Deuteranopia (green-blind)
#5986D9
Tritanopia (blue-blind)
#209BA7
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #6489db;
/* rgb */ color: rgb(100, 137, 219);
/* oklch */ color: oklch(63.9% 0.130 264.6);
Tailwind
colors: {
  custom: {
    50: '#98abe6',
    500: '#6489db',
    950: '#000000',
  },
}
SCSS
$custom: #6489db;
$custom-light: #98abe6;
$custom-dark: #000000;
JSON
{
  "hex": "#6489db",
  "rgb": {
    "r": 100,
    "g": 137,
    "b": 219
  },
  "hsl": {
    "h": 221.345,
    "s": 62.304,
    "l": 62.549
  },
  "oklch": {
    "l": 0.63942,
    "c": 0.13045,
    "h": 264.6
  },
  "luminance": 0.25715
}

Semantic roles & 50–950 ramp

primary
#6489DB
secondary
#E3D6B8
accent
#941BCA
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #6489DB

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

Preview Lab → · Contrast checker → · Palette generator →

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