#647FE1#647FE1

#647FE1 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.2% C 0.151 H 270.0°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#647FE1
RGB	rgb(100, 127, 225)
HSL	hsl(227, 68%, 64%)
HSV	hsv(227, 56%, 88%)
CMYK	cmyk(55.6%, 43.6%, 0%, 11.8%)
CIE-LAB	lab(55.40, 18.59, -52.99)
CIE-LCH	lch(55.40, 56.16, 289.33°)
OKLab	oklab(62.23% 0 -0.1508)
OKLCH	oklch(62.23% 0.151 270)
XYZ	xyz(26.4310, 23.3223, 74.3284)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FE1 #E1C664

analogous

#64BDE1 #647FE1 #8764E1

triadic

#647FE1 #E1647F #7FE164

tetradic

#647FE1 #E164BD #E1C664 #64E187

square

#647FE1 #E164BD #E1C664 #64E187

split-complementary

#647FE1 #E18764 #BDE164

monochromatic

#213EAA #3155D7 #647FE1 #97A9EB #CBD4F5

Accessibility & contrast

On white

3.71

#647FE1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#647FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FE1

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FE1	#FFFFFF	#000000	##000000
##647FE1	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548BE5

Deuteranopia (green-blind)

#4480DF

Tritanopia (blue-blind)

#1895A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647fe1;
/* rgb */ color: rgb(100, 127, 225);
/* oklch */ color: oklch(62.2% 0.151 270.0);

Tailwind

colors: {
  custom: {
    50: '#99a3eb',
    500: '#647fe1',
    950: '#000000',
  },
}

SCSS

$custom: #647fe1;
$custom-light: #99a3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#647fe1",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 225
  },
  "hsl": {
    "h": 227.04,
    "s": 67.568,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62228,
    "c": 0.15078,
    "h": 270
  },
  "luminance": 0.23324
}

Semantic roles & 50–950 ramp

primary

#647FE1

secondary

#E6DDBA

accent

#A716CF

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #647FE1

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

Preview Lab → · Contrast checker → · Palette generator →