#647AF8#647AF8

#647AF8 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.7% C 0.188 H 272.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#647AF8
RGB	rgb(100, 122, 248)
HSL	hsl(231, 91%, 68%)
HSV	hsv(231, 60%, 97%)
CMYK	cmyk(59.7%, 50.8%, 0%, 2.7%)
CIE-LAB	lab(55.49, 29.07, -65.67)
CIE-LCH	lch(55.49, 71.82, 293.88°)
OKLab	oklab(62.73% 0.0079 -0.1881)
OKLCH	oklch(62.73% 0.188 272.4)
XYZ	xyz(29.1527, 23.4034, 91.7698)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AF8 #F8E264

analogous

#64C4F8 #647AF8 #9864F8

triadic

#647AF8 #F8647A #7AF864

tetradic

#647AF8 #F864C4 #F8E264 #64F898

square

#647AF8 #F864C4 #F8E264 #64F898

split-complementary

#647AF8 #F89864 #C4F864

monochromatic

#0A28D8 #2948F5 #647AF8 #9FACFB #D9DEFD

Accessibility & contrast

On white

3.70

#647AF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#647AF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AF8

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AF8	#FFFFFF	#000000	##000000
##647AF8	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#328CFC

Deuteranopia (green-blind)

#017FF5

Tritanopia (blue-blind)

#0097AD

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647af8;
/* rgb */ color: rgb(100, 122, 248);
/* oklch */ color: oklch(62.7% 0.188 272.4);

Tailwind

colors: {
  custom: {
    50: '#9ca0fb',
    500: '#647af8',
    950: '#000000',
  },
}

SCSS

$custom: #647af8;
$custom-light: #9ca0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#647af8",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 248
  },
  "hsl": {
    "h": 231.081,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.62731,
    "c": 0.18826,
    "h": 272.4
  },
  "luminance": 0.23406
}

Semantic roles & 50–950 ramp

primary

#647AF8

secondary

#F2ECC5

accent

#C300E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647AF8

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

Preview Lab → · Contrast checker → · Palette generator →