#647BF0#647BF0

#647BF0 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.4% C 0.176 H 272.0°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#647BF0
RGB	rgb(100, 123, 240)
HSL	hsl(230, 82%, 67%)
HSV	hsv(230, 58%, 94%)
CMYK	cmyk(58.3%, 48.7%, 0%, 5.9%)
CIE-LAB	lab(55.24, 25.86, -61.62)
CIE-LCH	lch(55.24, 66.83, 292.77°)
OKLab	oklab(62.39% 0.0061 -0.1762)
OKLCH	oklch(62.39% 0.176 272)
XYZ	xyz(28.0615, 23.1643, 85.4136)
Luminance	0.2317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BF0 #F0D964

analogous

#64C1F0 #647BF0 #9364F0

triadic

#647BF0 #F0647B #7BF064

tetradic

#647BF0 #F064C1 #F0D964 #64F093

square

#647BF0 #F064C1 #F0D964 #64F093

split-complementary

#647BF0 #F09364 #C1F064

monochromatic

#1331C6 #2C4BEB #647BF0 #9CABF5 #D4DAFB

Accessibility & contrast

On white

3.73

#647BF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#647BF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BF0

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BF0	#FFFFFF	#000000	##000000
##647BF0	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)

#3F8BF4

Deuteranopia (green-blind)

#257EEE

Tritanopia (blue-blind)

#0096AA

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647bf0;
/* rgb */ color: rgb(100, 123, 240);
/* oklch */ color: oklch(62.4% 0.176 272.0);

Tailwind

colors: {
  custom: {
    50: '#9ba0f6',
    500: '#647bf0',
    950: '#000000',
  },
}

SCSS

$custom: #647bf0;
$custom-light: #9ba0f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647bf0",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 240
  },
  "hsl": {
    "h": 230.143,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.62387,
    "c": 0.17629,
    "h": 272
  },
  "luminance": 0.23167
}

Semantic roles & 50–950 ramp

primary

#647BF0

secondary

#EEE7C1

accent

#BB07DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #647BF0

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

Preview Lab → · Contrast checker → · Palette generator →