#6563E5#6563E5

#6563E5 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 57.3% C 0.192 H 279.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#6563E5
RGBrgb(101, 99, 229)
HSLhsl(241, 71%, 64%)
HSVhsv(241, 57%, 90%)
CMYKcmyk(55.9%, 56.8%, 0%, 10.2%)
CIE-LABlab(48.69, 37.04, -66.03)
CIE-LCHlch(48.69, 75.70, 299.29°)
OKLaboklab(57.27% 0.0305 -0.1893)
OKLCHoklch(57.27% 0.192 279.1)
XYZxyz(23.9671, 17.3459, 76.1987)
Luminance0.1735 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6563E5 #E3E563
analogous
#63A2E5 #6563E5 #A663E5
triadic
#6563E5 #E56563 #63E565
tetradic
#6563E5 #E563A2 #E3E563 #63E5A6
square
#6563E5 #E563A2 #E3E563 #63E5A6
split-complementary
#6563E5 #E5A663 #A2E563
monochromatic
#201DB0 #312FDC #6563E5 #9997EE #CDCCF6

Accessibility & contrast

On white

4.70
#6563E5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.47
#6563E5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6563E5
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6563E5#FFFFFF#000000##FFFFFF
##6563E51.004.704.474.70
#FFFFFF4.701.0021.001.00
#0000004.4721.001.0021.00
##FFFFFF4.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0079E9
Deuteranopia (green-blind)
#006FE2
Tritanopia (blue-blind)
#1F829A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #6563e5;
/* rgb */ color: rgb(101, 99, 229);
/* oklch */ color: oklch(57.3% 0.192 279.1);
Tailwind
colors: {
  custom: {
    50: '#9b8fee',
    500: '#6563e5',
    950: '#000000',
  },
}
SCSS
$custom: #6563e5;
$custom-light: #9b8fee;
$custom-dark: #000000;
JSON
{
  "hex": "#6563e5",
  "rgb": {
    "r": 101,
    "g": 99,
    "b": 229
  },
  "hsl": {
    "h": 240.923,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.57265,
    "c": 0.19178,
    "h": 279.1
  },
  "luminance": 0.17348
}

Semantic roles & 50–950 ramp

primary
#6563E5
secondary
#E8E8BB
accent
#D312D0
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#0F0C16
muted
#7F7D84

Preview Lab

Preview with #6563E5

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

Preview Lab → · Contrast checker → · Palette generator →

#6563E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva