#646BE2#646BE2

#646BE2 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.4% C 0.178 H 276.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#646BE2
RGB	rgb(100, 107, 226)
HSL	hsl(237, 68%, 64%)
HSV	hsv(237, 56%, 89%)
CMYK	cmyk(55.8%, 52.7%, 0%, 11.4%)
CIE-LAB	lab(50.35, 31.07, -61.66)
CIE-LCH	lch(50.35, 69.04, 296.74°)
OKLab	oklab(58.42% 0.0212 -0.1764)
OKLCH	oklch(58.42% 0.178 276.9)
XYZ	xyz(24.2363, 18.7140, 74.2718)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BE2 #E2DB64

analogous

#64AAE2 #646BE2 #9C64E2

triadic

#646BE2 #E2646B #6BE264

tetradic

#646BE2 #E264AA #E2DB64 #64E29C

square

#646BE2 #E264AA #E2DB64 #64E29C

split-complementary

#646BE2 #E29C64 #AAE264

monochromatic

#2028AC #303AD8 #646BE2 #989CEC #CBCDF5

Accessibility & contrast

On white

4.43

#646BE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#646BE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646BE2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BE2	#FFFFFF	#000000	##000000
##646BE2	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#257DE6

Deuteranopia (green-blind)

#0073E0

Tritanopia (blue-blind)

#1E869C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646be2;
/* rgb */ color: rgb(100, 107, 226);
/* oklch */ color: oklch(58.4% 0.178 276.9);

Tailwind

colors: {
  custom: {
    50: '#9a95ec',
    500: '#646be2',
    950: '#000000',
  },
}

SCSS

$custom: #646be2;
$custom-light: #9a95ec;
$custom-dark: #000000;

JSON

{
  "hex": "#646be2",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 226
  },
  "hsl": {
    "h": 236.667,
    "s": 68.478,
    "l": 63.922
  },
  "oklch": {
    "l": 0.5842,
    "c": 0.17772,
    "h": 276.9
  },
  "luminance": 0.18716
}

Semantic roles & 50–950 ramp

primary

#646BE2

secondary

#E7E5BB

accent

#C615D0

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646BE2

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

Preview Lab → · Contrast checker → · Palette generator →