#647EF1#647EF1

#647EF1 is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.0% C 0.174 H 271.1°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#647EF1
RGB	rgb(100, 126, 241)
HSL	hsl(229, 83%, 67%)
HSV	hsv(229, 59%, 95%)
CMYK	cmyk(58.5%, 47.7%, 0%, 5.5%)
CIE-LAB	lab(56.07, 24.37, -60.85)
CIE-LCH	lch(56.07, 65.55, 291.83°)
OKLab	oklab(63.03% 0.0032 -0.1739)
OKLCH	oklch(63.03% 0.174 271.1)
XYZ	xyz(28.5883, 23.9796, 86.3240)
Luminance	0.2398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF1 #F1D764

analogous

#64C5F1 #647EF1 #9164F1

triadic

#647EF1 #F1647E #7EF164

tetradic

#647EF1 #F164C5 #F1D764 #64F191

square

#647EF1 #F164C5 #F1D764 #64F191

split-complementary

#647EF1 #F19164 #C5F164

monochromatic

#1234C8 #2C4FEC #647EF1 #9CADF6 #D4DBFB

Accessibility & contrast

On white

3.62

#647EF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#647EF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF1

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF1	#FFFFFF	#000000	##000000
##647EF1	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458DF5

Deuteranopia (green-blind)

#2D81EF

Tritanopia (blue-blind)

#0098AC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647ef1;
/* rgb */ color: rgb(100, 126, 241);
/* oklch */ color: oklch(63.0% 0.174 271.1);

Tailwind

colors: {
  custom: {
    50: '#9ba3f6',
    500: '#647ef1',
    950: '#000000',
  },
}

SCSS

$custom: #647ef1;
$custom-light: #9ba3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef1",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 241
  },
  "hsl": {
    "h": 228.936,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.63033,
    "c": 0.17391,
    "h": 271.1
  },
  "luminance": 0.23982
}

Semantic roles & 50–950 ramp

primary

#647EF1

secondary

#EFE7C2

accent

#B806E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EF1

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

Preview Lab → · Contrast checker → · Palette generator →