#647FE6#647FE6

#647FE6 is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.5% C 0.158 H 270.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#647FE6
RGB	rgb(100, 127, 230)
HSL	hsl(228, 72%, 65%)
HSV	hsv(228, 57%, 90%)
CMYK	cmyk(56.5%, 44.8%, 0%, 9.8%)
CIE-LAB	lab(55.68, 20.20, -55.34)
CIE-LCH	lch(55.68, 58.91, 290.05°)
OKLab	oklab(62.53% 0.0007 -0.1577)
OKLCH	oklch(62.53% 0.158 270.3)
XYZ	xyz(27.1231, 23.5992, 77.9734)
Luminance	0.2360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FE6 #E6CB64

analogous

#64C0E6 #647FE6 #8A64E6

triadic

#647FE6 #E6647F #7FE664

tetradic

#647FE6 #E664C0 #E6CB64 #64E68A

square

#647FE6 #E664C0 #E6CB64 #64E68A

split-complementary

#647FE6 #E68A64 #C0E664

monochromatic

#1D3CB3 #2F53DD #647FE6 #99ABEE #CDD6F7

Accessibility & contrast

On white

3.67

#647FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#647FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FE6

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FE6	#FFFFFF	#000000	##000000
##647FE6	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#508BEA

Deuteranopia (green-blind)

#3F80E4

Tritanopia (blue-blind)

#0796A7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647fe6;
/* rgb */ color: rgb(100, 127, 230);
/* oklch */ color: oklch(62.5% 0.158 270.3);

Tailwind

colors: {
  custom: {
    50: '#9aa3ee',
    500: '#647fe6',
    950: '#000000',
  },
}

SCSS

$custom: #647fe6;
$custom-light: #9aa3ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647fe6",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 230
  },
  "hsl": {
    "h": 227.538,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.62534,
    "c": 0.15767,
    "h": 270.3
  },
  "luminance": 0.23601
}

Semantic roles & 50–950 ramp

primary

#647FE6

secondary

#E9E0BD

accent

#AC11D4

background

#FAFAFE

surface

#F3F3FD

border

#CDCDD5

text

#0F0F16

muted

#7F7F84

Preview Lab

Preview with #647FE6

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

Preview Lab → · Contrast checker → · Palette generator →