#646AE2#646AE2

#646AE2 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 58.2% C 0.179 H 277.1°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#646AE2
RGB	rgb(100, 106, 226)
HSL	hsl(237, 68%, 64%)
HSV	hsv(237, 56%, 89%)
CMYK	cmyk(55.8%, 53.1%, 0%, 11.4%)
CIE-LAB	lab(50.10, 31.68, -62.05)
CIE-LCH	lch(50.10, 69.67, 297.04°)
OKLab	oklab(58.24% 0.0222 -0.1776)
OKLCH	oklch(58.24% 0.179 277.1)
XYZ	xyz(24.1327, 18.5067, 74.2372)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AE2 #E2DC64

analogous

#64A9E2 #646AE2 #9D64E2

triadic

#646AE2 #E2646A #6AE264

tetradic

#646AE2 #E264A9 #E2DC64 #64E29D

square

#646AE2 #E264A9 #E2DC64 #64E29D

split-complementary

#646AE2 #E29D64 #A9E264

monochromatic

#2027AC #3038D8 #646AE2 #989CEC #CBCDF5

Accessibility & contrast

On white

4.47

#646AE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#646AE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AE2

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AE2	#FFFFFF	#000000	##000000
##646AE2	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#217DE6

Deuteranopia (green-blind)

#0072DF

Tritanopia (blue-blind)

#1E859C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #646ae2;
/* rgb */ color: rgb(100, 106, 226);
/* oklch */ color: oklch(58.2% 0.179 277.1);

Tailwind

colors: {
  custom: {
    50: '#9a94ec',
    500: '#646ae2',
    950: '#000000',
  },
}

SCSS

$custom: #646ae2;
$custom-light: #9a94ec;
$custom-dark: #000000;

JSON

{
  "hex": "#646ae2",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 226
  },
  "hsl": {
    "h": 237.143,
    "s": 68.478,
    "l": 63.922
  },
  "oklch": {
    "l": 0.58235,
    "c": 0.17901,
    "h": 277.1
  },
  "luminance": 0.18508
}

Semantic roles & 50–950 ramp

primary

#646AE2

secondary

#E7E5BB

accent

#C815D0

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646AE2

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

Preview Lab → · Contrast checker → · Palette generator →