#646BF6#646BF6

#646BF6 is a mid, highly saturated blue. Relative luminance 0.199; OKLCH L 59.9% C 0.204 H 276.1°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#646BF6
RGB	rgb(100, 107, 246)
HSL	hsl(237, 89%, 68%)
HSV	hsv(237, 59%, 96%)
CMYK	cmyk(59.3%, 56.5%, 0%, 3.5%)
CIE-LAB	lab(51.70, 37.46, -70.68)
CIE-LCH	lch(51.70, 80.00, 297.92°)
OKLab	oklab(59.85% 0.0218 -0.203)
OKLCH	oklch(59.85% 0.204 276.1)
XYZ	xyz(27.1424, 19.8765, 89.5771)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BF6 #F6EF64

analogous

#64B4F6 #646BF6 #A664F6

triadic

#646BF6 #F6646B #6BF664

tetradic

#646BF6 #F664B4 #F6EF64 #64F6A6

square

#646BF6 #F664B4 #F6EF64 #64F6A6

split-complementary

#646BF6 #F6A664 #B4F664

monochromatic

#0C16D3 #2A34F3 #646BF6 #9EA2F9 #D8D9FD

Accessibility & contrast

On white

4.22

#646BF6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#646BF6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646BF6

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BF6	#FFFFFF	#000000	##000000
##646BF6	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082FB

Deuteranopia (green-blind)

#0075F3

Tritanopia (blue-blind)

#008CA6

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646bf6;
/* rgb */ color: rgb(100, 107, 246);
/* oklch */ color: oklch(59.9% 0.204 276.1);

Tailwind

colors: {
  custom: {
    50: '#9d95fa',
    500: '#646bf6',
    950: '#000000',
  },
}

SCSS

$custom: #646bf6;
$custom-light: #9d95fa;
$custom-dark: #000000;

JSON

{
  "hex": "#646bf6",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 246
  },
  "hsl": {
    "h": 237.123,
    "s": 89.024,
    "l": 67.843
  },
  "oklch": {
    "l": 0.59852,
    "c": 0.20417,
    "h": 276.1
  },
  "luminance": 0.19879
}

Semantic roles & 50–950 ramp

primary

#646BF6

secondary

#F1EFC4

accent

#DA00E6

background

#FAF9FF

surface

#F4F1FF

border

#CECBD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646BF6

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

Preview Lab → · Contrast checker → · Palette generator →