#647EF0#647EF0

#647EF0 is a light, vivid blue. Relative luminance 0.239; OKLCH L 63.0% C 0.173 H 271.0°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#647EF0
RGB	rgb(100, 126, 240)
HSL	hsl(229, 82%, 67%)
HSV	hsv(229, 58%, 94%)
CMYK	cmyk(58.3%, 47.5%, 0%, 5.9%)
CIE-LAB	lab(56.01, 24.05, -60.39)
CIE-LCH	lch(56.01, 65.00, 291.71°)
OKLab	oklab(62.97% 0.0031 -0.1725)
OKLCH	oklch(62.97% 0.173 271)
XYZ	xyz(28.4393, 23.9201, 85.5395)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EF0 #F0D664

analogous

#64C4F0 #647EF0 #9064F0

triadic

#647EF0 #F0647E #7EF064

tetradic

#647EF0 #F064C4 #F0D664 #64F090

square

#647EF0 #F064C4 #F0D664 #64F090

split-complementary

#647EF0 #F09064 #C4F064

monochromatic

#1334C6 #2C50EB #647EF0 #9CACF5 #D4DBFB

Accessibility & contrast

On white

3.63

#647EF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#647EF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EF0

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EF0	#FFFFFF	#000000	##000000
##647EF0	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468DF4

Deuteranopia (green-blind)

#2E80EE

Tritanopia (blue-blind)

#0098AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647ef0;
/* rgb */ color: rgb(100, 126, 240);
/* oklch */ color: oklch(63.0% 0.173 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ba3f6',
    500: '#647ef0',
    950: '#000000',
  },
}

SCSS

$custom: #647ef0;
$custom-light: #9ba3f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647ef0",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 240
  },
  "hsl": {
    "h": 228.857,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.62969,
    "c": 0.17256,
    "h": 271
  },
  "luminance": 0.23922
}

Semantic roles & 50–950 ramp

primary

#647EF0

secondary

#EEE6C1

accent

#B707DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647EF0

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

Preview Lab → · Contrast checker → · Palette generator →