#647FE0#647FE0

#647FE0 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.2% C 0.149 H 269.9°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#647FE0
RGB	rgb(100, 127, 224)
HSL	hsl(227, 67%, 64%)
HSV	hsv(227, 55%, 88%)
CMYK	cmyk(55.4%, 43.3%, 0%, 12.2%)
CIE-LAB	lab(55.35, 18.27, -52.52)
CIE-LCH	lch(55.35, 55.61, 289.18°)
OKLab	oklab(62.17% -0.0002 -0.1494)
OKLCH	oklch(62.17% 0.149 269.9)
XYZ	xyz(26.2950, 23.2679, 73.6121)
Luminance	0.2327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FE0 #E0C564

analogous

#64BDE0 #647FE0 #8764E0

triadic

#647FE0 #E0647F #7FE064

tetradic

#647FE0 #E064BD #E0C564 #64E087

square

#647FE0 #E064BD #E0C564 #64E087

split-complementary

#647FE0 #E08764 #BDE064

monochromatic

#223FA8 #3155D6 #647FE0 #97A9EA #CAD3F4

Accessibility & contrast

On white

3.71

#647FE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#647FE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FE0

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FE0	#FFFFFF	#000000	##000000
##647FE0	1.00	3.71	5.65	5.65
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE4

Deuteranopia (green-blind)

#457FDE

Tritanopia (blue-blind)

#1A94A5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647fe0;
/* rgb */ color: rgb(100, 127, 224);
/* oklch */ color: oklch(62.2% 0.149 269.9);

Tailwind

colors: {
  custom: {
    50: '#99a3ea',
    500: '#647fe0',
    950: '#000000',
  },
}

SCSS

$custom: #647fe0;
$custom-light: #99a3ea;
$custom-dark: #000000;

JSON

{
  "hex": "#647fe0",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 224
  },
  "hsl": {
    "h": 226.935,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.62168,
    "c": 0.1494,
    "h": 269.9
  },
  "luminance": 0.2327
}

Semantic roles & 50–950 ramp

primary

#647FE0

secondary

#E6DCBA

accent

#A717CF

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0F0F16

muted

#7E7F84

Preview Lab

Preview with #647FE0

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

Preview Lab → · Contrast checker → · Palette generator →