#646FF5#646FF5

#646FF5 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 60.5% C 0.198 H 275.3°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#646FF5
RGB	rgb(100, 111, 245)
HSL	hsl(235, 88%, 68%)
HSV	hsv(235, 59%, 96%)
CMYK	cmyk(59.2%, 54.7%, 0%, 3.9%)
CIE-LAB	lab(52.59, 34.74, -68.69)
CIE-LCH	lch(52.59, 76.97, 296.83°)
OKLab	oklab(60.49% 0.0181 -0.1971)
OKLCH	oklch(60.49% 0.198 275.3)
XYZ	xyz(27.4160, 20.6687, 88.9132)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FF5 #F5EA64

analogous

#64B8F5 #646FF5 #A164F5

triadic

#646FF5 #F5646F #6FF564

tetradic

#646FF5 #F564B8 #F5EA64 #64F5A1

square

#646FF5 #F564B8 #F5EA64 #64F5A1

split-complementary

#646FF5 #F5A164 #B8F564

monochromatic

#0D1CD1 #2B3AF1 #646FF5 #9DA4F9 #D7DAFC

Accessibility & contrast

On white

4.09

#646FF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#646FF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FF5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FF5	#FFFFFF	#000000	##000000
##646FF5	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0084FA

Deuteranopia (green-blind)

#0077F2

Tritanopia (blue-blind)

#008FA7

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #646ff5;
/* rgb */ color: rgb(100, 111, 245);
/* oklch */ color: oklch(60.5% 0.198 275.3);

Tailwind

colors: {
  custom: {
    50: '#9c98f9',
    500: '#646ff5',
    950: '#000000',
  },
}

SCSS

$custom: #646ff5;
$custom-light: #9c98f9;
$custom-dark: #000000;

JSON

{
  "hex": "#646ff5",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 245
  },
  "hsl": {
    "h": 235.448,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.60491,
    "c": 0.19793,
    "h": 275.3
  },
  "luminance": 0.20671
}

Semantic roles & 50–950 ramp

primary

#646FF5

secondary

#F1EDC4

accent

#D301E4

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646FF5

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

Preview Lab → · Contrast checker → · Palette generator →