#6566FC#6566FC

#6566FC is a mid, highly saturated blue. Relative luminance 0.193; OKLCH L 59.5% C 0.218 H 277.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#6566FC
RGBrgb(101, 102, 252)
HSLhsl(240, 96%, 69%)
HSVhsv(240, 60%, 99%)
CMYKcmyk(59.9%, 59.5%, 0%, 1.2%)
CIE-LABlab(51.03, 42.51, -75.10)
CIE-LCHlch(51.03, 86.29, 299.51°)
OKLaboklab(59.51% 0.0273 -0.216)
OKLCHoklch(59.51% 0.218 277.2)
XYZxyz(27.6832, 19.2956, 94.3422)
Luminance0.1930 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6566FC #FCFB65
analogous
#65B1FC #6566FC #B065FC
triadic
#6566FC #FC6566 #66FC65
tetradic
#6566FC #FC65B1 #FCFB65 #65FCB0
square
#6566FC #FC65B1 #FCFB65 #65FCB0
split-complementary
#6566FC #FCB065 #B1FC65
monochromatic
#0406E2 #292AFB #6566FC #A1A2FD #DDDDFE

Accessibility & contrast

On white

4.32
#6566FC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.86
#6566FC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6566FC
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6566FC#FFFFFF#000000##000000
##6566FC1.004.324.864.86
#FFFFFF4.321.0021.0021.00
#0000004.8621.001.001.00
##0000004.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#0080FF
Deuteranopia (green-blind)
#0073F9
Tritanopia (blue-blind)
#008BA7
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #6566fc;
/* rgb */ color: rgb(101, 102, 252);
/* oklch */ color: oklch(59.5% 0.218 277.2);
Tailwind
colors: {
  custom: {
    50: '#9f92fe',
    500: '#6566fc',
    950: '#000000',
  },
}
SCSS
$custom: #6566fc;
$custom-light: #9f92fe;
$custom-dark: #000000;
JSON
{
  "hex": "#6566fc",
  "rgb": {
    "r": 101,
    "g": 102,
    "b": 252
  },
  "hsl": {
    "h": 239.603,
    "s": 96.178,
    "l": 69.216
  },
  "oklch": {
    "l": 0.59511,
    "c": 0.21771,
    "h": 277.2
  },
  "luminance": 0.19298
}

Semantic roles & 50–950 ramp

primary
#6566FC
secondary
#F4F4C8
accent
#E400E6
background
#FAF9FF
surface
#F4F1FF
border
#CECBD7
text
#100D18
muted
#7F7E86

Preview Lab

Preview with #6566FC

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

Preview Lab → · Contrast checker → · Palette generator →

#6566FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva