#647BF7#647BF7

#647BF7 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.9% C 0.186 H 272.1°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#647BF7
RGB	rgb(100, 123, 247)
HSL	hsl(231, 90%, 68%)
HSV	hsv(231, 60%, 97%)
CMYK	cmyk(59.5%, 50.2%, 0%, 3.1%)
CIE-LAB	lab(55.67, 28.14, -64.81)
CIE-LCH	lch(55.67, 70.66, 293.47°)
OKLab	oklab(62.85% 0.0068 -0.1856)
OKLCH	oklch(62.85% 0.186 272.1)
XYZ	xyz(29.1214, 23.5883, 90.9960)
Luminance	0.2359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BF7 #F7E064

analogous

#64C5F7 #647BF7 #9664F7

triadic

#647BF7 #F7647B #7BF764

tetradic

#647BF7 #F764C5 #F7E064 #64F796

square

#647BF7 #F764C5 #F7E064 #64F796

split-complementary

#647BF7 #F79664 #C5F764

monochromatic

#0B2BD6 #2A49F4 #647BF7 #9EADFA #D8DEFD

Accessibility & contrast

On white

3.67

#647BF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#647BF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BF7

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BF7	#FFFFFF	#000000	##000000
##647BF7	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#368CFB

Deuteranopia (green-blind)

#107FF4

Tritanopia (blue-blind)

#0097AD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647bf7;
/* rgb */ color: rgb(100, 123, 247);
/* oklch */ color: oklch(62.9% 0.186 272.1);

Tailwind

colors: {
  custom: {
    50: '#9ca0fb',
    500: '#647bf7',
    950: '#000000',
  },
}

SCSS

$custom: #647bf7;
$custom-light: #9ca0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#647bf7",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 247
  },
  "hsl": {
    "h": 230.612,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.62853,
    "c": 0.18569,
    "h": 272.1
  },
  "luminance": 0.23591
}

Semantic roles & 50–950 ramp

primary

#647BF7

secondary

#F2EBC5

accent

#C200E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BF7

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

Preview Lab → · Contrast checker → · Palette generator →