#647EE7#647EE7

#647EE7 is a light, vivid blue. Relative luminance 0.234; OKLCH L 62.4% C 0.160 H 270.7°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#647EE7
RGB	rgb(100, 126, 231)
HSL	hsl(228, 73%, 65%)
HSV	hsv(228, 57%, 91%)
CMYK	cmyk(56.7%, 45.5%, 0%, 9.4%)
CIE-LAB	lab(55.48, 21.13, -56.22)
CIE-LCH	lch(55.48, 60.06, 290.59°)
OKLab	oklab(62.4% 0.002 -0.1603)
OKLCH	oklch(62.4% 0.16 270.7)
XYZ	xyz(27.1354, 23.3985, 78.6722)
Luminance	0.2340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EE7 #E7CD64

analogous

#64BFE7 #647EE7 #8C64E7

triadic

#647EE7 #E7647E #7EE764

tetradic

#647EE7 #E764BF #E7CD64 #64E78C

square

#647EE7 #E764BF #E7CD64 #64E78C

split-complementary

#647EE7 #E78C64 #BFE764

monochromatic

#1C3AB5 #2F52DF #647EE7 #99AAEF #CED6F7

Accessibility & contrast

On white

3.70

#647EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#647EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EE7

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EE7	#FFFFFF	#000000	##000000
##647EE7	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8BEB

Deuteranopia (green-blind)

#3B7FE5

Tritanopia (blue-blind)

#0495A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647ee7;
/* rgb */ color: rgb(100, 126, 231);
/* oklch */ color: oklch(62.4% 0.160 270.7);

Tailwind

colors: {
  custom: {
    50: '#9aa3ef',
    500: '#647ee7',
    950: '#000000',
  },
}

SCSS

$custom: #647ee7;
$custom-light: #9aa3ef;
$custom-dark: #000000;

JSON

{
  "hex": "#647ee7",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 231
  },
  "hsl": {
    "h": 228.092,
    "s": 73.184,
    "l": 64.902
  },
  "oklch": {
    "l": 0.62397,
    "c": 0.16029,
    "h": 270.7
  },
  "luminance": 0.23401
}

Semantic roles & 50–950 ramp

primary

#647EE7

secondary

#EAE1BD

accent

#AE10D5

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0F16

muted

#7F7E84

Preview Lab

Preview with #647EE7

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

Preview Lab → · Contrast checker → · Palette generator →