#647AFF#647AFF

#647AFF is a light, vivid blue. Relative luminance 0.238; OKLCH L 63.2% C 0.198 H 272.4°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#647AFF
RGB	rgb(100, 122, 255)
HSL	hsl(231, 100%, 70%)
HSV	hsv(231, 61%, 100%)
CMYK	cmyk(60.8%, 52.2%, 0%, 0%)
CIE-LAB	lab(55.93, 31.35, -68.81)
CIE-LCH	lch(55.93, 75.62, 294.50°)
OKLab	oklab(63.21% 0.0084 -0.1973)
OKLCH	oklch(63.21% 0.198 272.4)
XYZ	xyz(30.2591, 23.8459, 97.5965)
Luminance	0.2385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647AFF #FFE964

analogous

#64C7FF #647AFF #9C64FF

triadic

#647AFF #FF647A #7AFF64

tetradic

#647AFF #FF64C7 #FFE964 #64FF9C

square

#647AFF #FF64C7 #FFE964 #64FF9C

split-complementary

#647AFF #FF9C64 #C7FF64

monochromatic

#0021E9 #2745FF #647AFF #A1AFFF #DEE3FF

Accessibility & contrast

On white

3.64

#647AFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#647AFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647AFF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647AFF	#FFFFFF	#000000	##000000
##647AFF	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#268DFF

Deuteranopia (green-blind)

#007FFC

Tritanopia (blue-blind)

#0099B1

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #647aff;
/* rgb */ color: rgb(100, 122, 255);
/* oklch */ color: oklch(63.2% 0.198 272.4);

Tailwind

colors: {
  custom: {
    50: '#9da0ff',
    500: '#647aff',
    950: '#000000',
  },
}

SCSS

$custom: #647aff;
$custom-light: #9da0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#647aff",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 255
  },
  "hsl": {
    "h": 231.484,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.63211,
    "c": 0.19753,
    "h": 272.4
  },
  "luminance": 0.23848
}

Semantic roles & 50–950 ramp

primary

#647AFF

secondary

#F6EFC9

accent

#C500E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100E18

muted

#7F7E86

Preview Lab

Preview with #647AFF

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

Preview Lab → · Contrast checker → · Palette generator →