#647EF6#647EF6

#647EF6 is a light, vivid blue. Relative luminance 0.243; OKLCH L 63.4% C 0.181 H 271.2°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#647EF6
RGB	rgb(100, 126, 246)
HSL	hsl(229, 89%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(59.3%, 48.8%, 0%, 3.5%)
CIE-LAB	lab(56.37, 26.00, -63.14)
CIE-LCH	lch(56.37, 68.28, 292.38°)
OKLab	oklab(63.36% 0.0038 -0.1806)
OKLCH	oklch(63.36% 0.181 271.2)
XYZ	xyz(29.3454, 24.2825, 90.3115)
Luminance	0.2429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF6 #F6DC64

analogous

#64C7F6 #647EF6 #9364F6

triadic

#647EF6 #F6647E #7EF664

tetradic

#647EF6 #F664C7 #F6DC64 #64F693

square

#647EF6 #F664C7 #F6DC64 #64F693

split-complementary

#647EF6 #F69364 #C7F664

monochromatic

#0C30D3 #2A4EF3 #647EF6 #9EAEF9 #D8DEFD

Accessibility & contrast

On white

3.59

#647EF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#647EF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF6

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF6	#FFFFFF	#000000	##000000
##647EF6	1.00	3.59	5.86	5.86
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F8EFA

Deuteranopia (green-blind)

#2281F3

Tritanopia (blue-blind)

#0099AE

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ef6;
/* rgb */ color: rgb(100, 126, 246);
/* oklch */ color: oklch(63.4% 0.181 271.2);

Tailwind

colors: {
  custom: {
    50: '#9ca3fa',
    500: '#647ef6',
    950: '#000000',
  },
}

SCSS

$custom: #647ef6;
$custom-light: #9ca3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef6",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 246
  },
  "hsl": {
    "h": 229.315,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.6336,
    "c": 0.18065,
    "h": 271.2
  },
  "luminance": 0.24285
}

Semantic roles & 50–950 ramp

primary

#647EF6

secondary

#F1E9C4

accent

#BD00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647EF6

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

Preview Lab → · Contrast checker → · Palette generator →