#647DE5#647DE5

#647DE5 is a light, vivid blue. Relative luminance 0.230; OKLCH L 62.1% C 0.159 H 271.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#647DE5
RGB	rgb(100, 125, 229)
HSL	hsl(228, 71%, 65%)
HSV	hsv(228, 56%, 90%)
CMYK	cmyk(56.3%, 45.4%, 0%, 10.2%)
CIE-LAB	lab(55.10, 21.09, -55.71)
CIE-LCH	lch(55.10, 59.56, 290.73°)
OKLab	oklab(62.07% 0.0027 -0.1588)
OKLCH	oklch(62.07% 0.159 271)
XYZ	xyz(26.7273, 23.0317, 77.1507)
Luminance	0.2303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DE5 #E5CC64

analogous

#64BEE5 #647DE5 #8C64E5

triadic

#647DE5 #E5647D #7DE564

tetradic

#647DE5 #E564BE #E5CC64 #64E58C

square

#647DE5 #E564BE #E5CC64 #64E58C

split-complementary

#647DE5 #E58C64 #BEE564

monochromatic

#1E3AB1 #3051DC #647DE5 #98A9EE #CDD5F7

Accessibility & contrast

On white

3.75

#647DE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#647DE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DE5

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DE5	#FFFFFF	#000000	##000000
##647DE5	1.00	3.75	5.61	5.61
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D8AE9

Deuteranopia (green-blind)

#3C7FE3

Tritanopia (blue-blind)

#0D94A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #647de5;
/* rgb */ color: rgb(100, 125, 229);
/* oklch */ color: oklch(62.1% 0.159 271.0);

Tailwind

colors: {
  custom: {
    50: '#99a2ee',
    500: '#647de5',
    950: '#000000',
  },
}

SCSS

$custom: #647de5;
$custom-light: #99a2ee;
$custom-dark: #000000;

JSON

{
  "hex": "#647de5",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 229
  },
  "hsl": {
    "h": 228.372,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.62074,
    "c": 0.15879,
    "h": 271
  },
  "luminance": 0.23034
}

Semantic roles & 50–950 ramp

primary

#647DE5

secondary

#E9E0BC

accent

#AE12D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #647DE5

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

Preview Lab → · Contrast checker → · Palette generator →