#647FF8#647FF8

#647FF8 is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.7% C 0.182 H 271.0°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#647FF8
RGB	rgb(100, 127, 248)
HSL	hsl(229, 91%, 68%)
HSV	hsv(229, 60%, 97%)
CMYK	cmyk(59.7%, 48.8%, 0%, 2.7%)
CIE-LAB	lab(56.75, 26.05, -63.64)
CIE-LCH	lch(56.75, 68.77, 292.26°)
OKLab	oklab(63.68% 0.003 -0.1821)
OKLCH	oklch(63.68% 0.182 271)
XYZ	xyz(29.7825, 24.6629, 91.9797)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FF8 #F8DD64

analogous

#64C9F8 #647FF8 #9364F8

triadic

#647FF8 #F8647F #7FF864

tetradic

#647FF8 #F864C9 #F8DD64 #64F893

square

#647FF8 #F864C9 #F8DD64 #64F893

split-complementary

#647FF8 #F89364 #C9F864

monochromatic

#0A2FD8 #294FF5 #647FF8 #9FAFFB #D9E0FD

Accessibility & contrast

On white

3.54

#647FF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#647FF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FF8

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FF8	#FFFFFF	#000000	##000000
##647FF8	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408FFC

Deuteranopia (green-blind)

#2182F5

Tritanopia (blue-blind)

#009BB0

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #647ff8;
/* rgb */ color: rgb(100, 127, 248);
/* oklch */ color: oklch(63.7% 0.182 271.0);

Tailwind

colors: {
  custom: {
    50: '#9ca3fb',
    500: '#647ff8',
    950: '#000000',
  },
}

SCSS

$custom: #647ff8;
$custom-light: #9ca3fb;
$custom-dark: #000000;

JSON

{
  "hex": "#647ff8",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 248
  },
  "hsl": {
    "h": 229.054,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.63684,
    "c": 0.1821,
    "h": 271
  },
  "luminance": 0.24665
}

Semantic roles & 50–950 ramp

primary

#647FF8

secondary

#F2EAC5

accent

#BC00E6

background

#FAFAFF

surface

#F4F3FF

border

#CECDD7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #647FF8

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

Preview Lab → · Contrast checker → · Palette generator →