#647FF5#647FF5

#647FF5 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.5% C 0.178 H 270.9°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#647FF5
RGB	rgb(100, 127, 245)
HSL	hsl(229, 88%, 68%)
HSV	hsv(229, 59%, 96%)
CMYK	cmyk(59.2%, 48.2%, 0%, 3.9%)
CIE-LAB	lab(56.56, 25.07, -62.27)
CIE-LCH	lch(56.56, 67.13, 291.93°)
OKLab	oklab(63.49% 0.0027 -0.1781)
OKLCH	oklch(63.49% 0.178 270.9)
XYZ	xyz(29.3208, 24.4783, 89.5481)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF5 #F5DA64

analogous

#64C7F5 #647FF5 #9264F5

triadic

#647FF5 #F5647F #7FF564

tetradic

#647FF5 #F564C7 #F5DA64 #64F592

square

#647FF5 #F564C7 #F5DA64 #64F592

split-complementary

#647FF5 #F59264 #C7F564

monochromatic

#0D32D1 #2B50F1 #647FF5 #9DAEF9 #D7DEFC

Accessibility & contrast

On white

3.56

#647FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#647FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF5

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF5	#FFFFFF	#000000	##000000
##647FF5	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#438EF9

Deuteranopia (green-blind)

#2882F3

Tritanopia (blue-blind)

#009AAE

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ff5;
/* rgb */ color: rgb(100, 127, 245);
/* oklch */ color: oklch(63.5% 0.178 270.9);

Tailwind

colors: {
  custom: {
    50: '#9ca3f9',
    500: '#647ff5',
    950: '#000000',
  },
}

SCSS

$custom: #647ff5;
$custom-light: #9ca3f9;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff5",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 245
  },
  "hsl": {
    "h": 228.828,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.63487,
    "c": 0.17807,
    "h": 270.9
  },
  "luminance": 0.24481
}

Semantic roles & 50–950 ramp

primary

#647FF5

secondary

#F1E9C4

accent

#BA01E4

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF5

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

Preview Lab → · Contrast checker → · Palette generator →