#647EF3#647EF3

#647EF3 is a light, vivid blue. Relative luminance 0.241; OKLCH L 63.2% C 0.177 H 271.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#647EF3
RGB	rgb(100, 126, 243)
HSL	hsl(229, 86%, 67%)
HSV	hsv(229, 59%, 95%)
CMYK	cmyk(58.8%, 48.1%, 0%, 4.7%)
CIE-LAB	lab(56.19, 25.02, -61.77)
CIE-LCH	lch(56.19, 66.64, 292.05°)
OKLab	oklab(63.16% 0.0035 -0.1766)
OKLCH	oklch(63.16% 0.177 271.1)
XYZ	xyz(28.8887, 24.0998, 87.9060)
Luminance	0.2410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF3 #F3D964

analogous

#64C6F3 #647EF3 #9264F3

triadic

#647EF3 #F3647E #7EF364

tetradic

#647EF3 #F364C6 #F3D964 #64F392

square

#647EF3 #F364C6 #F3D964 #64F392

split-complementary

#647EF3 #F39264 #C6F364

monochromatic

#1032CD #2B4FEF #647EF3 #9DADF7 #D6DDFC

Accessibility & contrast

On white

3.61

#647EF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#647EF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF3	#FFFFFF	#000000	##000000
##647EF3	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438DF7

Deuteranopia (green-blind)

#2981F1

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ef3;
/* rgb */ color: rgb(100, 126, 243);
/* oklch */ color: oklch(63.2% 0.177 271.1);

Tailwind

colors: {
  custom: {
    50: '#9ba3f8',
    500: '#647ef3',
    950: '#000000',
  },
}

SCSS

$custom: #647ef3;
$custom-light: #9ba3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef3",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 243
  },
  "hsl": {
    "h": 229.091,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.63163,
    "c": 0.17661,
    "h": 271.1
  },
  "luminance": 0.24102
}

Semantic roles & 50–950 ramp

primary

#647EF3

secondary

#F0E8C3

accent

#BA03E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EF3

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

Preview Lab → · Contrast checker → · Palette generator →