#646CF5#646CF5

#646CF5 is a mid, highly saturated blue. Relative luminance 0.200; OKLCH L 60.0% C 0.202 H 276.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#646CF5
RGB	rgb(100, 108, 245)
HSL	hsl(237, 88%, 68%)
HSV	hsv(237, 59%, 96%)
CMYK	cmyk(59.2%, 55.9%, 0%, 3.9%)
CIE-LAB	lab(51.87, 36.54, -69.85)
CIE-LCH	lch(51.87, 78.83, 297.62°)
OKLab	oklab(59.96% 0.0209 -0.2005)
OKLCH	oklch(59.96% 0.202 276)
XYZ	xyz(27.0942, 20.0250, 88.8059)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CF5 #F5ED64

analogous

#64B4F5 #646CF5 #A564F5

triadic

#646CF5 #F5646C #6CF564

tetradic

#646CF5 #F564B4 #F5ED64 #64F5A5

square

#646CF5 #F564B4 #F5ED64 #64F5A5

split-complementary

#646CF5 #F5A564 #B4F564

monochromatic

#0D18D1 #2B35F1 #646CF5 #9DA3F9 #D7D9FC

Accessibility & contrast

On white

4.20

#646CF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#646CF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CF5

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CF5	#FFFFFF	#000000	##000000
##646CF5	1.00	4.20	5.01	5.01
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082FA

Deuteranopia (green-blind)

#0076F2

Tritanopia (blue-blind)

#008DA6

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646cf5;
/* rgb */ color: rgb(100, 108, 245);
/* oklch */ color: oklch(60.0% 0.202 276.0);

Tailwind

colors: {
  custom: {
    50: '#9d96f9',
    500: '#646cf5',
    950: '#000000',
  },
}

SCSS

$custom: #646cf5;
$custom-light: #9d96f9;
$custom-dark: #000000;

JSON

{
  "hex": "#646cf5",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 245
  },
  "hsl": {
    "h": 236.69,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.59955,
    "c": 0.20164,
    "h": 276
  },
  "luminance": 0.20027
}

Semantic roles & 50–950 ramp

primary

#646CF5

secondary

#F1EEC4

accent

#D801E4

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646CF5

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

Preview Lab → · Contrast checker → · Palette generator →