#647EF9#647EF9

#647EF9 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.6% C 0.185 H 271.3°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#647EF9
RGB	rgb(100, 126, 249)
HSL	hsl(230, 93%, 68%)
HSV	hsv(230, 60%, 98%)
CMYK	cmyk(59.8%, 49.4%, 0%, 2.4%)
CIE-LAB	lab(56.55, 26.98, -64.50)
CIE-LCH	lch(56.55, 69.92, 292.70°)
OKLab	oklab(63.56% 0.0041 -0.1846)
OKLCH	oklch(63.56% 0.185 271.3)
XYZ	xyz(29.8096, 24.4682, 92.7561)
Luminance	0.2447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF9 #F9DF64

analogous

#64C8F9 #647EF9 #9464F9

triadic

#647EF9 #F9647E #7EF964

tetradic

#647EF9 #F964C8 #F9DF64 #64F994

square

#647EF9 #F964C8 #F9DF64 #64F994

split-complementary

#647EF9 #F99464 #C8F964

monochromatic

#082DDA #294DF7 #647EF9 #9FAFFB #DAE0FE

Accessibility & contrast

On white

3.56

#647EF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#647EF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF9

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF9	#FFFFFF	#000000	##000000
##647EF9	1.00	3.56	5.89	5.89
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C8FFD

Deuteranopia (green-blind)

#1A81F6

Tritanopia (blue-blind)

#009AB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ef9;
/* rgb */ color: rgb(100, 126, 249);
/* oklch */ color: oklch(63.6% 0.185 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ca3fc',
    500: '#647ef9',
    950: '#000000',
  },
}

SCSS

$custom: #647ef9;
$custom-light: #9ca3fc;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef9",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 249
  },
  "hsl": {
    "h": 229.53,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.63558,
    "c": 0.18467,
    "h": 271.3
  },
  "luminance": 0.24471
}

Semantic roles & 50–950 ramp

primary

#647EF9

secondary

#F3EBC6

accent

#BD00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #647EF9

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

Preview Lab → · Contrast checker → · Palette generator →