#6564EB#6564EB

#6564EB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.9% C 0.198 H 278.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6564EB
RGB	rgb(101, 100, 235)
HSL	hsl(240, 77%, 66%)
HSV	hsv(240, 57%, 92%)
CMYK	cmyk(57%, 57.4%, 0%, 7.8%)
CIE-LAB	lab(49.35, 38.33, -68.34)
CIE-LCH	lch(49.35, 78.35, 299.28°)
OKLab	oklab(57.88% 0.0295 -0.1961)
OKLCH	oklch(57.88% 0.198 278.6)
XYZ	xyz(24.9146, 17.8775, 80.7190)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6564EB #EAEB64

analogous

#64A7EB #6564EB #A864EB

triadic

#6564EB #EB6564 #64EB65

tetradic

#6564EB #EB64A7 #EAEB64 #64EBA8

square

#6564EB #EB64A7 #EAEB64 #64EBA8

split-complementary

#6564EB #EBA864 #A7EB64

monochromatic

#1A18BC #2F2EE4 #6564EB #9B9AF2 #D1D0F9

Accessibility & contrast

On white

4.59

#6564EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#6564EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6564EB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6564EB	#FFFFFF	#000000	##FFFFFF
##6564EB	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BF0

Deuteranopia (green-blind)

#0070E8

Tritanopia (blue-blind)

#10849E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6564eb;
/* rgb */ color: rgb(101, 100, 235);
/* oklch */ color: oklch(57.9% 0.198 278.6);

Tailwind

colors: {
  custom: {
    50: '#9c90f2',
    500: '#6564eb',
    950: '#000000',
  },
}

SCSS

$custom: #6564eb;
$custom-light: #9c90f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6564eb",
  "rgb": {
    "r": 101,
    "g": 100,
    "b": 235
  },
  "hsl": {
    "h": 240.444,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.57883,
    "c": 0.19834,
    "h": 278.6
  },
  "luminance": 0.17879
}

Semantic roles & 50–950 ramp

primary

#6564EB

secondary

#ECECBF

accent

#D90CD8

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6564EB

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

Preview Lab → · Contrast checker → · Palette generator →