#6566FA#6566FA

#6566FA is a mid, highly saturated blue. Relative luminance 0.192; OKLCH L 59.4% C 0.215 H 277.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#6566FA
RGB	rgb(101, 102, 250)
HSL	hsl(240, 94%, 69%)
HSV	hsv(240, 60%, 98%)
CMYK	cmyk(59.6%, 59.2%, 0%, 2%)
CIE-LAB	lab(50.88, 41.87, -74.22)
CIE-LCH	lch(50.88, 85.22, 299.43°)
OKLab	oklab(59.36% 0.0274 -0.2134)
OKLCH	oklch(59.36% 0.215 277.3)
XYZ	xyz(27.3680, 19.1695, 92.6818)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6566FA #FAF965

analogous

#65B1FA #6566FA #AF65FA

triadic

#6566FA #FA6566 #66FA65

tetradic

#6566FA #FA65B1 #FAF965 #65FAAF

square

#6566FA #FA65B1 #FAF965 #65FAAF

split-complementary

#6566FA #FAAF65 #B1FA65

monochromatic

#0709DD #2A2BF8 #6566FA #A0A1FC #DCDCFE

Accessibility & contrast

On white

4.34

#6566FA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#6566FA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6566FA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6566FA	#FFFFFF	#000000	##000000
##6566FA	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0080FF

Deuteranopia (green-blind)

#0073F7

Tritanopia (blue-blind)

#008AA6

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #6566fa;
/* rgb */ color: rgb(101, 102, 250);
/* oklch */ color: oklch(59.4% 0.215 277.3);

Tailwind

colors: {
  custom: {
    50: '#9e92fd',
    500: '#6566fa',
    950: '#000000',
  },
}

SCSS

$custom: #6566fa;
$custom-light: #9e92fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6566fa",
  "rgb": {
    "r": 101,
    "g": 102,
    "b": 250
  },
  "hsl": {
    "h": 239.597,
    "s": 93.711,
    "l": 68.824
  },
  "oklch": {
    "l": 0.59357,
    "c": 0.21517,
    "h": 277.3
  },
  "luminance": 0.19172
}

Semantic roles & 50–950 ramp

primary

#6566FA

secondary

#F3F3C7

accent

#E400E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #6566FA

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

Preview Lab → · Contrast checker → · Palette generator →