#647BF3#647BF3

#647BF3 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.6% C 0.180 H 272.0°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#647BF3
RGB	rgb(100, 123, 243)
HSL	hsl(230, 86%, 67%)
HSV	hsv(230, 59%, 95%)
CMYK	cmyk(58.8%, 49.4%, 0%, 4.7%)
CIE-LAB	lab(55.42, 26.84, -62.99)
CIE-LCH	lch(55.42, 68.47, 293.08°)
OKLab	oklab(62.59% 0.0064 -0.1802)
OKLCH	oklch(62.59% 0.18 272)
XYZ	xyz(28.5108, 23.3440, 87.7801)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BF3 #F3DC64

analogous

#64C2F3 #647BF3 #9564F3

triadic

#647BF3 #F3647B #7BF364

tetradic

#647BF3 #F364C2 #F3DC64 #64F395

square

#647BF3 #F364C2 #F3DC64 #64F395

split-complementary

#647BF3 #F39564 #C2F364

monochromatic

#102ECD #2B4BEF #647BF3 #9DABF7 #D6DCFC

Accessibility & contrast

On white

3.70

#647BF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#647BF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BF3

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BF3	#FFFFFF	#000000	##000000
##647BF3	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B8BF7

Deuteranopia (green-blind)

#1E7FF0

Tritanopia (blue-blind)

#0096AC

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647bf3;
/* rgb */ color: rgb(100, 123, 243);
/* oklch */ color: oklch(62.6% 0.180 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ca0f8',
    500: '#647bf3',
    950: '#000000',
  },
}

SCSS

$custom: #647bf3;
$custom-light: #9ca0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#647bf3",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 243
  },
  "hsl": {
    "h": 230.35,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.62585,
    "c": 0.18034,
    "h": 272
  },
  "luminance": 0.23346
}

Semantic roles & 50–950 ramp

primary

#647BF3

secondary

#F0E9C3

accent

#BE03E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BF3

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

Preview Lab → · Contrast checker → · Palette generator →