#647FF6#647FF6

#647FF6 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.6% C 0.179 H 270.9°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#647FF6
RGB	rgb(100, 127, 246)
HSL	hsl(229, 89%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(59.3%, 48.4%, 0%, 3.5%)
CIE-LAB	lab(56.62, 25.40, -62.73)
CIE-LCH	lch(56.62, 67.68, 292.04°)
OKLab	oklab(63.55% 0.0028 -0.1794)
OKLCH	oklch(63.55% 0.179 270.9)
XYZ	xyz(29.4739, 24.5395, 90.3543)
Luminance	0.2454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF6 #F6DB64

analogous

#64C8F6 #647FF6 #9264F6

triadic

#647FF6 #F6647F #7FF664

tetradic

#647FF6 #F664C8 #F6DB64 #64F692

square

#647FF6 #F664C8 #F6DB64 #64F692

split-complementary

#647FF6 #F69264 #C8F664

monochromatic

#0C31D3 #2A4FF3 #647FF6 #9EAFF9 #D8DFFD

Accessibility & contrast

On white

3.55

#647FF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#647FF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF6

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF6	#FFFFFF	#000000	##000000
##647FF6	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#428FFA

Deuteranopia (green-blind)

#2682F4

Tritanopia (blue-blind)

#009AAF

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ff6;
/* rgb */ color: rgb(100, 127, 246);
/* oklch */ color: oklch(63.6% 0.179 270.9);

Tailwind

colors: {
  custom: {
    50: '#9ca3fa',
    500: '#647ff6',
    950: '#000000',
  },
}

SCSS

$custom: #647ff6;
$custom-light: #9ca3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff6",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 246
  },
  "hsl": {
    "h": 228.904,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.63553,
    "c": 0.17941,
    "h": 270.9
  },
  "luminance": 0.24542
}

Semantic roles & 50–950 ramp

primary

#647FF6

secondary

#F1E9C4

accent

#BB00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF6

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

Preview Lab → · Contrast checker → · Palette generator →