#647FF0#647FF0

#647FF0 is a light, vivid blue. Relative luminance 0.242; OKLCH L 63.2% C 0.171 H 270.7°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#647FF0
RGB	rgb(100, 127, 240)
HSL	hsl(228, 82%, 67%)
HSV	hsv(228, 58%, 94%)
CMYK	cmyk(58.3%, 47.1%, 0%, 5.9%)
CIE-LAB	lab(56.26, 23.44, -59.98)
CIE-LCH	lch(56.26, 64.40, 291.35°)
OKLab	oklab(63.16% 0.0021 -0.1713)
OKLCH	oklch(63.16% 0.171 270.7)
XYZ	xyz(28.5678, 24.1771, 85.5824)
Luminance	0.2418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF0 #F0D564

analogous

#64C5F0 #647FF0 #8F64F0

triadic

#647FF0 #F0647F #7FF064

tetradic

#647FF0 #F064C5 #F0D564 #64F08F

square

#647FF0 #F064C5 #F0D564 #64F08F

split-complementary

#647FF0 #F08F64 #C5F064

monochromatic

#1336C6 #2C51EB #647FF0 #9CADF5 #D4DBFB

Accessibility & contrast

On white

3.60

#647FF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#647FF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF0

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF0	#FFFFFF	#000000	##000000
##647FF0	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488DF4

Deuteranopia (green-blind)

#3181EE

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ff0;
/* rgb */ color: rgb(100, 127, 240);
/* oklch */ color: oklch(63.2% 0.171 270.7);

Tailwind

colors: {
  custom: {
    50: '#9ba3f5',
    500: '#647ff0',
    950: '#000000',
  },
}

SCSS

$custom: #647ff0;
$custom-light: #9ba3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff0",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 240
  },
  "hsl": {
    "h": 228.429,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.63164,
    "c": 0.17132,
    "h": 270.7
  },
  "luminance": 0.24179
}

Semantic roles & 50–950 ramp

primary

#647FF0

secondary

#EEE6C1

accent

#B507DF

background

#FAFAFF

surface

#F4F3FE

border

#CECDD6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF0

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

Preview Lab → · Contrast checker → · Palette generator →