#647DE3#647DE3

#647DE3 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 62.0% C 0.156 H 270.9°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#647DE3
RGB	rgb(100, 125, 227)
HSL	hsl(228, 69%, 64%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(55.9%, 44.9%, 0%, 11%)
CIE-LAB	lab(54.99, 20.44, -54.77)
CIE-LCH	lch(54.99, 58.46, 290.47°)
OKLab	oklab(61.95% 0.0024 -0.156)
OKLCH	oklch(61.95% 0.156 270.9)
XYZ	xyz(26.4497, 22.9206, 75.6885)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DE3 #E3CA64

analogous

#64BDE3 #647DE3 #8B64E3

triadic

#647DE3 #E3647D #7DE364

tetradic

#647DE3 #E364BD #E3CA64 #64E38B

square

#647DE3 #E364BD #E3CA64 #64E38B

split-complementary

#647DE3 #E38B64 #BDE364

monochromatic

#1F3BAD #3052DA #647DE3 #98A8EC #CCD4F6

Accessibility & contrast

On white

3.76

#647DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#647DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DE3

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DE3	#FFFFFF	#000000	##000000
##647DE3	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F89E7

Deuteranopia (green-blind)

#3E7EE1

Tritanopia (blue-blind)

#1494A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647de3;
/* rgb */ color: rgb(100, 125, 227);
/* oklch */ color: oklch(62.0% 0.156 270.9);

Tailwind

colors: {
  custom: {
    50: '#99a2ec',
    500: '#647de3',
    950: '#000000',
  },
}

SCSS

$custom: #647de3;
$custom-light: #99a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#647de3",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 227
  },
  "hsl": {
    "h": 228.189,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.6195,
    "c": 0.15604,
    "h": 270.9
  },
  "luminance": 0.22923
}

Semantic roles & 50–950 ramp

primary

#647DE3

secondary

#E8DFBB

accent

#AC14D1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #647DE3

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

Preview Lab → · Contrast checker → · Palette generator →