#647DE4#647DE4

#647DE4 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.0% C 0.157 H 270.9°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#647DE4
RGB	rgb(100, 125, 228)
HSL	hsl(228, 70%, 64%)
HSV	hsv(228, 56%, 89%)
CMYK	cmyk(56.1%, 45.2%, 0%, 10.6%)
CIE-LAB	lab(55.05, 20.76, -55.24)
CIE-LCH	lch(55.05, 59.01, 290.60°)
OKLab	oklab(62.01% 0.0026 -0.1574)
OKLCH	oklch(62.01% 0.157 270.9)
XYZ	xyz(26.5881, 22.9760, 76.4175)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DE4 #E4CB64

analogous

#64BDE4 #647DE4 #8B64E4

triadic

#647DE4 #E4647D #7DE464

tetradic

#647DE4 #E464BD #E4CB64 #64E48B

square

#647DE4 #E464BD #E4CB64 #64E48B

split-complementary

#647DE4 #E48B64 #BDE464

monochromatic

#1F3BAF #3051DB #647DE4 #98A9ED #CCD4F6

Accessibility & contrast

On white

3.75

#647DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#647DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DE4

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DE4	#FFFFFF	#000000	##000000
##647DE4	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8AE8

Deuteranopia (green-blind)

#3D7EE2

Tritanopia (blue-blind)

#1194A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647de4;
/* rgb */ color: rgb(100, 125, 228);
/* oklch */ color: oklch(62.0% 0.157 270.9);

Tailwind

colors: {
  custom: {
    50: '#99a2ed',
    500: '#647de4',
    950: '#000000',
  },
}

SCSS

$custom: #647de4;
$custom-light: #99a2ed;
$custom-dark: #000000;

JSON

{
  "hex": "#647de4",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 228
  },
  "hsl": {
    "h": 228.281,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.62012,
    "c": 0.15742,
    "h": 270.9
  },
  "luminance": 0.22978
}

Semantic roles & 50–950 ramp

primary

#647DE4

secondary

#E8DFBC

accent

#AD13D2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #647DE4

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

Preview Lab → · Contrast checker → · Palette generator →