#646AF9#646AF9

#646AF9 is a mid, highly saturated blue. Relative luminance 0.199; OKLCH L 59.9% C 0.209 H 276.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#646AF9
RGB	rgb(100, 106, 249)
HSL	hsl(238, 93%, 68%)
HSV	hsv(238, 60%, 98%)
CMYK	cmyk(59.8%, 57.4%, 0%, 2.4%)
CIE-LAB	lab(51.67, 39.02, -72.39)
CIE-LCH	lch(51.67, 82.24, 298.32°)
OKLab	oklab(59.9% 0.0227 -0.208)
OKLCH	oklch(59.9% 0.209 276.2)
XYZ	xyz(27.5029, 19.8548, 91.9872)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AF9 #F9F364

analogous

#64B4F9 #646AF9 #A864F9

triadic

#646AF9 #F9646A #6AF964

tetradic

#646AF9 #F964B4 #F9F364 #64F9A8

square

#646AF9 #F964B4 #F9F364 #64F9A8

split-complementary

#646AF9 #F9A864 #B4F964

monochromatic

#0811DA #2931F7 #646AF9 #9FA3FB #DADBFE

Accessibility & contrast

On white

4.22

#646AF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#646AF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AF9

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AF9	#FFFFFF	#000000	##000000
##646AF9	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082FE

Deuteranopia (green-blind)

#0075F6

Tritanopia (blue-blind)

#008CA7

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646af9;
/* rgb */ color: rgb(100, 106, 249);
/* oklch */ color: oklch(59.9% 0.209 276.2);

Tailwind

colors: {
  custom: {
    50: '#9d94fc',
    500: '#646af9',
    950: '#000000',
  },
}

SCSS

$custom: #646af9;
$custom-light: #9d94fc;
$custom-dark: #000000;

JSON

{
  "hex": "#646af9",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 249
  },
  "hsl": {
    "h": 237.584,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.599,
    "c": 0.20927,
    "h": 276.2
  },
  "luminance": 0.19857
}

Semantic roles & 50–950 ramp

primary

#646AF9

secondary

#F3F1C6

accent

#DC00E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #646AF9

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

Preview Lab → · Contrast checker → · Palette generator →