#647FF7#647FF7

#647FF7 is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.6% C 0.181 H 270.9°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#647FF7
RGB	rgb(100, 127, 247)
HSL	hsl(229, 90%, 68%)
HSV	hsv(229, 60%, 97%)
CMYK	cmyk(59.5%, 48.6%, 0%, 3.1%)
CIE-LAB	lab(56.68, 25.72, -63.18)
CIE-LCH	lch(56.68, 68.22, 292.15°)
OKLab	oklab(63.62% 0.0029 -0.1807)
OKLCH	oklch(63.62% 0.181 270.9)
XYZ	xyz(29.6278, 24.6011, 91.1648)
Luminance	0.2460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF7 #F7DC64

analogous

#64C8F7 #647FF7 #9364F7

triadic

#647FF7 #F7647F #7FF764

tetradic

#647FF7 #F764C8 #F7DC64 #64F793

square

#647FF7 #F764C8 #F7DC64 #64F793

split-complementary

#647FF7 #F79364 #C8F764

monochromatic

#0B30D6 #2A4FF4 #647FF7 #9EAFFA #D8DFFD

Accessibility & contrast

On white

3.55

#647FF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#647FF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF7

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF7	#FFFFFF	#000000	##000000
##647FF7	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#418FFB

Deuteranopia (green-blind)

#2482F4

Tritanopia (blue-blind)

#009AAF

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ff7;
/* rgb */ color: rgb(100, 127, 247);
/* oklch */ color: oklch(63.6% 0.181 270.9);

Tailwind

colors: {
  custom: {
    50: '#9ca3fa',
    500: '#647ff7',
    950: '#000000',
  },
}

SCSS

$custom: #647ff7;
$custom-light: #9ca3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff7",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 247
  },
  "hsl": {
    "h": 228.98,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.63618,
    "c": 0.18075,
    "h": 270.9
  },
  "luminance": 0.24603
}

Semantic roles & 50–950 ramp

primary

#647FF7

secondary

#F2EAC5

accent

#BB00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF7

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

Preview Lab → · Contrast checker → · Palette generator →