#646FE2#646FE2

#646FE2 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.2% C 0.173 H 275.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#646FE2
RGB	rgb(100, 111, 226)
HSL	hsl(235, 68%, 64%)
HSV	hsv(235, 56%, 89%)
CMYK	cmyk(55.8%, 50.9%, 0%, 11.4%)
CIE-LAB	lab(51.34, 28.63, -60.06)
CIE-LCH	lch(51.34, 66.53, 295.49°)
OKLab	oklab(59.17% 0.0171 -0.1717)
OKLCH	oklch(59.17% 0.173 275.7)
XYZ	xyz(24.6630, 19.5675, 74.4140)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646FE2 #E2D764

analogous

#64AEE2 #646FE2 #9864E2

triadic

#646FE2 #E2646F #6FE264

tetradic

#646FE2 #E264AE #E2D764 #64E298

square

#646FE2 #E264AE #E2D764 #64E298

split-complementary

#646FE2 #E29864 #AEE264

monochromatic

#202CAC #303FD8 #646FE2 #989FEC #CBCFF5

Accessibility & contrast

On white

4.27

#646FE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#646FE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646FE2

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646FE2	#FFFFFF	#000000	##000000
##646FE2	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3180E6

Deuteranopia (green-blind)

#1A75E0

Tritanopia (blue-blind)

#1C899E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646fe2;
/* rgb */ color: rgb(100, 111, 226);
/* oklch */ color: oklch(59.2% 0.173 275.7);

Tailwind

colors: {
  custom: {
    50: '#9a98ec',
    500: '#646fe2',
    950: '#000000',
  },
}

SCSS

$custom: #646fe2;
$custom-light: #9a98ec;
$custom-dark: #000000;

JSON

{
  "hex": "#646fe2",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 226
  },
  "hsl": {
    "h": 234.762,
    "s": 68.478,
    "l": 63.922
  },
  "oklch": {
    "l": 0.59166,
    "c": 0.17255,
    "h": 275.7
  },
  "luminance": 0.19569
}

Semantic roles & 50–950 ramp

primary

#646FE2

secondary

#E7E3BB

accent

#C015D0

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646FE2

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

Preview Lab → · Contrast checker → · Palette generator →