#647EF5#647EF5

#647EF5 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.3% C 0.179 H 271.2°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#647EF5
RGB	rgb(100, 126, 245)
HSL	hsl(229, 88%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(59.2%, 48.6%, 0%, 3.9%)
CIE-LAB	lab(56.31, 25.67, -62.68)
CIE-LCH	lch(56.31, 67.74, 292.27°)
OKLab	oklab(63.29% 0.0037 -0.1793)
OKLCH	oklch(63.29% 0.179 271.2)
XYZ	xyz(29.1923, 24.2213, 89.5053)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF5 #F5DB64

analogous

#64C7F5 #647EF5 #9264F5

triadic

#647EF5 #F5647E #7EF564

tetradic

#647EF5 #F564C7 #F5DB64 #64F592

square

#647EF5 #F564C7 #F5DB64 #64F592

split-complementary

#647EF5 #F59264 #C7F564

monochromatic

#0D31D1 #2B4EF1 #647EF5 #9DAEF9 #D7DEFC

Accessibility & contrast

On white

3.59

#647EF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#647EF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF5

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF5	#FFFFFF	#000000	##000000
##647EF5	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408EF9

Deuteranopia (green-blind)

#2581F3

Tritanopia (blue-blind)

#0099AE

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ef5;
/* rgb */ color: rgb(100, 126, 245);
/* oklch */ color: oklch(63.3% 0.179 271.2);

Tailwind

colors: {
  custom: {
    50: '#9ca3f9',
    500: '#647ef5',
    950: '#000000',
  },
}

SCSS

$custom: #647ef5;
$custom-light: #9ca3f9;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef5",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 245
  },
  "hsl": {
    "h": 229.241,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.63294,
    "c": 0.17931,
    "h": 271.2
  },
  "luminance": 0.24224
}

Semantic roles & 50–950 ramp

primary

#647EF5

secondary

#F1E9C4

accent

#BC01E4

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EF5

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

Preview Lab → · Contrast checker → · Palette generator →