#647CF4#647CF4

#647CF4 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.180 H 271.8°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#647CF4
RGB	rgb(100, 124, 244)
HSL	hsl(230, 87%, 67%)
HSV	hsv(230, 59%, 96%)
CMYK	cmyk(59%, 49.2%, 0%, 4.3%)
CIE-LAB	lab(55.74, 26.56, -63.04)
CIE-LCH	lch(55.74, 68.41, 292.84°)
OKLab	oklab(62.84% 0.0056 -0.1803)
OKLCH	oklch(62.84% 0.18 271.8)
XYZ	xyz(28.7869, 23.6540, 88.6191)
Luminance	0.2366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CF4 #F4DC64

analogous

#64C4F4 #647CF4 #9464F4

triadic

#647CF4 #F4647C #7CF464

tetradic

#647CF4 #F464C4 #F4DC64 #64F494

square

#647CF4 #F464C4 #F4DC64 #64F494

split-complementary

#647CF4 #F49464 #C4F464

monochromatic

#0F2FCF #2B4CF0 #647CF4 #9DACF8 #D6DDFC

Accessibility & contrast

On white

3.66

#647CF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#647CF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CF4

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CF4	#FFFFFF	#000000	##000000
##647CF4	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D8CF8

Deuteranopia (green-blind)

#1F80F1

Tritanopia (blue-blind)

#0097AC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647cf4;
/* rgb */ color: rgb(100, 124, 244);
/* oklch */ color: oklch(62.8% 0.180 271.8);

Tailwind

colors: {
  custom: {
    50: '#9ca1f8',
    500: '#647cf4',
    950: '#000000',
  },
}

SCSS

$custom: #647cf4;
$custom-light: #9ca1f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647cf4",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 244
  },
  "hsl": {
    "h": 230,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.62843,
    "c": 0.18044,
    "h": 271.8
  },
  "luminance": 0.23656
}

Semantic roles & 50–950 ramp

primary

#647CF4

secondary

#F0E9C3

accent

#BE02E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647CF4

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

Preview Lab → · Contrast checker → · Palette generator →