#647FF3#647FF3

#647FF3 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.4% C 0.175 H 270.8°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#647FF3
RGB	rgb(100, 127, 243)
HSL	hsl(229, 86%, 67%)
HSV	hsv(229, 59%, 95%)
CMYK	cmyk(58.8%, 47.7%, 0%, 4.7%)
CIE-LAB	lab(56.44, 24.42, -61.36)
CIE-LCH	lch(56.44, 66.04, 291.70°)
OKLab	oklab(63.36% 0.0025 -0.1754)
OKLCH	oklch(63.36% 0.175 270.8)
XYZ	xyz(29.0172, 24.3568, 87.9489)
Luminance	0.2436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF3 #F3D864

analogous

#64C7F3 #647FF3 #9064F3

triadic

#647FF3 #F3647F #7FF364

tetradic

#647FF3 #F364C7 #F3D864 #64F390

square

#647FF3 #F364C7 #F3D864 #64F390

split-complementary

#647FF3 #F39064 #C7F364

monochromatic

#1034CD #2B50EF #647FF3 #9DAEF7 #D6DDFC

Accessibility & contrast

On white

3.58

#647FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#647FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF3

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF3	#FFFFFF	#000000	##000000
##647FF3	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458EF7

Deuteranopia (green-blind)

#2C81F1

Tritanopia (blue-blind)

#0099AD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #647ff3;
/* rgb */ color: rgb(100, 127, 243);
/* oklch */ color: oklch(63.4% 0.175 270.8);

Tailwind

colors: {
  custom: {
    50: '#9ba3f8',
    500: '#647ff3',
    950: '#000000',
  },
}

SCSS

$custom: #647ff3;
$custom-light: #9ba3f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff3",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 243
  },
  "hsl": {
    "h": 228.671,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.63357,
    "c": 0.17538,
    "h": 270.8
  },
  "luminance": 0.24359
}

Semantic roles & 50–950 ramp

primary

#647FF3

secondary

#F0E7C3

accent

#B803E2

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF3

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

Preview Lab → · Contrast checker → · Palette generator →