#647FF1#647FF1

#647FF1 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.173 H 270.7°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#647FF1
RGB	rgb(100, 127, 241)
HSL	hsl(229, 83%, 67%)
HSV	hsv(229, 59%, 95%)
CMYK	cmyk(58.5%, 47.3%, 0%, 5.5%)
CIE-LAB	lab(56.32, 23.77, -60.44)
CIE-LCH	lch(56.32, 64.94, 291.47°)
OKLab	oklab(63.23% 0.0022 -0.1727)
OKLCH	oklch(63.23% 0.173 270.7)
XYZ	xyz(28.7168, 24.2367, 86.3669)
Luminance	0.2424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF1 #F1D664

analogous

#64C5F1 #647FF1 #9064F1

triadic

#647FF1 #F1647F #7FF164

tetradic

#647FF1 #F164C5 #F1D664 #64F190

square

#647FF1 #F164C5 #F1D664 #64F190

split-complementary

#647FF1 #F19064 #C5F164

monochromatic

#1235C8 #2C51EC #647FF1 #9CADF6 #D4DCFB

Accessibility & contrast

On white

3.59

#647FF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#647FF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF1

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF1	#FFFFFF	#000000	##000000
##647FF1	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478EF5

Deuteranopia (green-blind)

#2F81EF

Tritanopia (blue-blind)

#0099AC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ff1;
/* rgb */ color: rgb(100, 127, 241);
/* oklch */ color: oklch(63.2% 0.173 270.7);

Tailwind

colors: {
  custom: {
    50: '#9ba3f6',
    500: '#647ff1',
    950: '#000000',
  },
}

SCSS

$custom: #647ff1;
$custom-light: #9ba3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff1",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 241
  },
  "hsl": {
    "h": 228.511,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63228,
    "c": 0.17267,
    "h": 270.7
  },
  "luminance": 0.24239
}

Semantic roles & 50–950 ramp

primary

#647FF1

secondary

#EFE6C2

accent

#B606E0

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF1

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

Preview Lab → · Contrast checker → · Palette generator →