#647EE3#647EE3

#647EE3 is a light, vivid blue. Relative luminance 0.232; OKLCH L 62.1% C 0.155 H 270.5°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#647EE3
RGB	rgb(100, 126, 227)
HSL	hsl(228, 69%, 64%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(55.9%, 44.5%, 0%, 11%)
CIE-LAB	lab(55.25, 19.84, -54.35)
CIE-LCH	lch(55.25, 57.86, 290.05°)
OKLab	oklab(62.15% 0.0014 -0.1548)
OKLCH	oklch(62.15% 0.155 270.5)
XYZ	xyz(26.5769, 23.1751, 75.7309)
Luminance	0.2318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EE3 #E3C964

analogous

#64BDE3 #647EE3 #8A64E3

triadic

#647EE3 #E3647E #7EE364

tetradic

#647EE3 #E364BD #E3C964 #64E38A

square

#647EE3 #E364BD #E3C964 #64E38A

split-complementary

#647EE3 #E38A64 #BDE364

monochromatic

#1F3CAD #3053DA #647EE3 #98A9EC #CCD4F6

Accessibility & contrast

On white

3.73

#647EE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#647EE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EE3

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EE3	#FFFFFF	#000000	##000000
##647EE3	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518AE7

Deuteranopia (green-blind)

#407FE1

Tritanopia (blue-blind)

#1394A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647ee3;
/* rgb */ color: rgb(100, 126, 227);
/* oklch */ color: oklch(62.1% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#99a3ec',
    500: '#647ee3',
    950: '#000000',
  },
}

SCSS

$custom: #647ee3;
$custom-light: #99a3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#647ee3",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 227
  },
  "hsl": {
    "h": 227.717,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.62149,
    "c": 0.1548,
    "h": 270.5
  },
  "luminance": 0.23177
}

Semantic roles & 50–950 ramp

primary

#647EE3

secondary

#E8DEBB

accent

#AB14D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #647EE3

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

Preview Lab → · Contrast checker → · Palette generator →