#646EE6#646EE6

#646EE6 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.3% C 0.179 H 275.9°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#646EE6
RGB	rgb(100, 110, 230)
HSL	hsl(235, 72%, 65%)
HSV	hsv(235, 57%, 90%)
CMYK	cmyk(56.5%, 52.2%, 0%, 9.8%)
CIE-LAB	lab(51.35, 30.52, -62.30)
CIE-LCH	lch(51.35, 69.37, 296.10°)
OKLab	oklab(59.25% 0.0184 -0.1783)
OKLCH	oklch(59.25% 0.179 275.9)
XYZ	xyz(25.1098, 19.5726, 77.3023)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EE6 #E6DC64

analogous

#64AFE6 #646EE6 #9B64E6

triadic

#646EE6 #E6646E #6EE664

tetradic

#646EE6 #E664AF #E6DC64 #64E69B

square

#646EE6 #E664AF #E6DC64 #64E69B

split-complementary

#646EE6 #E69B64 #AFE664

monochromatic

#1D28B3 #2F3DDD #646EE6 #999FEE #CDD1F7

Accessibility & contrast

On white

4.27

#646EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#646EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EE6

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EE6	#FFFFFF	#000000	##000000
##646EE6	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)

#2880EA

Deuteranopia (green-blind)

#0275E3

Tritanopia (blue-blind)

#13899F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646ee6;
/* rgb */ color: rgb(100, 110, 230);
/* oklch */ color: oklch(59.3% 0.179 275.9);

Tailwind

colors: {
  custom: {
    50: '#9a97ef',
    500: '#646ee6',
    950: '#000000',
  },
}

SCSS

$custom: #646ee6;
$custom-light: #9a97ef;
$custom-dark: #000000;

JSON

{
  "hex": "#646ee6",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 230
  },
  "hsl": {
    "h": 235.385,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.59252,
    "c": 0.17925,
    "h": 275.9
  },
  "luminance": 0.19574
}

Semantic roles & 50–950 ramp

primary

#646EE6

secondary

#E9E6BD

accent

#C511D4

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646EE6

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

Preview Lab → · Contrast checker → · Palette generator →