#647CF9#647CF9

#647CF9 is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.2% C 0.187 H 271.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#647CF9
RGB	rgb(100, 124, 249)
HSL	hsl(230, 93%, 68%)
HSV	hsv(230, 60%, 98%)
CMYK	cmyk(59.8%, 50.2%, 0%, 2.4%)
CIE-LAB	lab(56.05, 28.19, -65.31)
CIE-LCH	lch(56.05, 71.14, 293.34°)
OKLab	oklab(63.18% 0.006 -0.187)
OKLCH	oklch(63.18% 0.187 271.8)
XYZ	xyz(29.5564, 23.9618, 92.6717)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CF9 #F9E164

analogous

#64C6F9 #647CF9 #9664F9

triadic

#647CF9 #F9647C #7CF964

tetradic

#647CF9 #F964C6 #F9E164 #64F996

square

#647CF9 #F964C6 #F9E164 #64F996

split-complementary

#647CF9 #F99664 #C6F964

monochromatic

#082ADA #294AF7 #647CF9 #9FAEFB #DAE0FE

Accessibility & contrast

On white

3.63

#647CF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#647CF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CF9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CF9	#FFFFFF	#000000	##000000
##647CF9	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#368DFD

Deuteranopia (green-blind)

#0E80F6

Tritanopia (blue-blind)

#0099AF

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647cf9;
/* rgb */ color: rgb(100, 124, 249);
/* oklch */ color: oklch(63.2% 0.187 271.8);

Tailwind

colors: {
  custom: {
    50: '#9ca1fc',
    500: '#647cf9',
    950: '#000000',
  },
}

SCSS

$custom: #647cf9;
$custom-light: #9ca1fc;
$custom-dark: #000000;

JSON

{
  "hex": "#647cf9",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 249
  },
  "hsl": {
    "h": 230.336,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.63177,
    "c": 0.18713,
    "h": 271.8
  },
  "luminance": 0.23964
}

Semantic roles & 50–950 ramp

primary

#647CF9

secondary

#F3ECC6

accent

#C100E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F18

muted

#7F7E86

Preview Lab

Preview with #647CF9

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

Preview Lab → · Contrast checker → · Palette generator →