#646AF7#646AF7

#646AF7 is a mid, highly saturated blue. Relative luminance 0.197; OKLCH L 59.8% C 0.207 H 276.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#646AF7
RGB	rgb(100, 106, 247)
HSL	hsl(238, 90%, 68%)
HSV	hsv(238, 60%, 97%)
CMYK	cmyk(59.5%, 57.1%, 0%, 3.1%)
CIE-LAB	lab(51.53, 38.38, -71.51)
CIE-LCH	lch(51.53, 81.16, 298.22°)
OKLab	oklab(59.75% 0.0228 -0.2054)
OKLCH	oklch(59.75% 0.207 276.3)
XYZ	xyz(27.1926, 19.7307, 90.3531)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AF7 #F7F164

analogous

#64B3F7 #646AF7 #A764F7

triadic

#646AF7 #F7646A #6AF764

tetradic

#646AF7 #F764B3 #F7F164 #64F7A7

square

#646AF7 #F764B3 #F7F164 #64F7A7

split-complementary

#646AF7 #F7A764 #B3F764

monochromatic

#0B13D6 #2A32F4 #646AF7 #9EA2FA #D8DAFD

Accessibility & contrast

On white

4.25

#646AF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#646AF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AF7

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AF7	#FFFFFF	#000000	##000000
##646AF7	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081FC

Deuteranopia (green-blind)

#0075F4

Tritanopia (blue-blind)

#008CA6

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646af7;
/* rgb */ color: rgb(100, 106, 247);
/* oklch */ color: oklch(59.8% 0.207 276.3);

Tailwind

colors: {
  custom: {
    50: '#9d94fb',
    500: '#646af7',
    950: '#000000',
  },
}

SCSS

$custom: #646af7;
$custom-light: #9d94fb;
$custom-dark: #000000;

JSON

{
  "hex": "#646af7",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 247
  },
  "hsl": {
    "h": 237.551,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.59751,
    "c": 0.2067,
    "h": 276.3
  },
  "luminance": 0.19733
}

Semantic roles & 50–950 ramp

primary

#646AF7

secondary

#F2F0C5

accent

#DC00E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #646AF7

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

Preview Lab → · Contrast checker → · Palette generator →