#647DF0#647DF0

#647DF0 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.8% C 0.174 H 271.4°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#647DF0
RGB	rgb(100, 125, 240)
HSL	hsl(229, 82%, 67%)
HSV	hsv(229, 58%, 94%)
CMYK	cmyk(58.3%, 47.9%, 0%, 5.9%)
CIE-LAB	lab(55.75, 24.65, -60.80)
CIE-LCH	lch(55.75, 65.61, 292.07°)
OKLab	oklab(62.77% 0.0041 -0.1737)
OKLCH	oklch(62.77% 0.174 271.4)
XYZ	xyz(28.3121, 23.6656, 85.4971)
Luminance	0.2367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DF0 #F0D764

analogous

#64C3F0 #647DF0 #9164F0

triadic

#647DF0 #F0647D #7DF064

tetradic

#647DF0 #F064C3 #F0D764 #64F091

square

#647DF0 #F064C3 #F0D764 #64F091

split-complementary

#647DF0 #F09164 #C3F064

monochromatic

#1333C6 #2C4EEB #647DF0 #9CACF5 #D4DBFB

Accessibility & contrast

On white

3.66

#647DF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#647DF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DF0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DF0	#FFFFFF	#000000	##000000
##647DF0	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)

#438CF4

Deuteranopia (green-blind)

#2B80EE

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647df0;
/* rgb */ color: rgb(100, 125, 240);
/* oklch */ color: oklch(62.8% 0.174 271.4);

Tailwind

colors: {
  custom: {
    50: '#9ba2f6',
    500: '#647df0',
    950: '#000000',
  },
}

SCSS

$custom: #647df0;
$custom-light: #9ba2f6;
$custom-dark: #000000;

JSON

{
  "hex": "#647df0",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 240
  },
  "hsl": {
    "h": 229.286,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.62774,
    "c": 0.1738,
    "h": 271.4
  },
  "luminance": 0.23668
}

Semantic roles & 50–950 ramp

primary

#647DF0

secondary

#EEE6C1

accent

#B807DF

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647DF0

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

Preview Lab → · Contrast checker → · Palette generator →