#647AF4#647AF4

#647AF4 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.5% C 0.183 H 272.4°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#647AF4
RGB	rgb(100, 122, 244)
HSL	hsl(231, 87%, 67%)
HSV	hsv(231, 59%, 96%)
CMYK	cmyk(59%, 50%, 0%, 4.3%)
CIE-LAB	lab(55.23, 27.77, -63.86)
CIE-LCH	lch(55.23, 69.63, 293.50°)
OKLab	oklab(62.46% 0.0075 -0.1828)
OKLCH	oklch(62.46% 0.183 272.4)
XYZ	xyz(28.5388, 23.1578, 88.5364)
Luminance	0.2316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AF4 #F4DE64

analogous

#64C2F4 #647AF4 #9664F4

triadic

#647AF4 #F4647A #7AF464

tetradic

#647AF4 #F464C2 #F4DE64 #64F496

square

#647AF4 #F464C2 #F4DE64 #64F496

split-complementary

#647AF4 #F49664 #C2F464

monochromatic

#0F2CCF #2B49F0 #647AF4 #9DABF8 #D6DCFC

Accessibility & contrast

On white

3.73

#647AF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#647AF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AF4

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AF4	#FFFFFF	#000000	##000000
##647AF4	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#388BF8

Deuteranopia (green-blind)

#167EF1

Tritanopia (blue-blind)

#0096AC

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647af4;
/* rgb */ color: rgb(100, 122, 244);
/* oklch */ color: oklch(62.5% 0.183 272.4);

Tailwind

colors: {
  custom: {
    50: '#9ca0f8',
    500: '#647af4',
    950: '#000000',
  },
}

SCSS

$custom: #647af4;
$custom-light: #9ca0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647af4",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 244
  },
  "hsl": {
    "h": 230.833,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.62461,
    "c": 0.18291,
    "h": 272.4
  },
  "luminance": 0.2316
}

Semantic roles & 50–950 ramp

primary

#647AF4

secondary

#F0EAC3

accent

#C102E3

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AF4

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

Preview Lab → · Contrast checker → · Palette generator →