#646AE6#646AE6

#646AE6 is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.5% C 0.184 H 277.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#646AE6
RGB	rgb(100, 106, 230)
HSL	hsl(237, 72%, 65%)
HSV	hsv(237, 57%, 90%)
CMYK	cmyk(56.5%, 53.9%, 0%, 9.8%)
CIE-LAB	lab(50.37, 32.95, -63.88)
CIE-LCH	lch(50.37, 71.88, 297.28°)
OKLab	oklab(58.52% 0.0224 -0.183)
OKLCH	oklch(58.52% 0.184 277)
XYZ	xyz(24.6879, 18.7288, 77.1617)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AE6 #E6E064

analogous

#64ABE6 #646AE6 #9F64E6

triadic

#646AE6 #E6646A #6AE664

tetradic

#646AE6 #E664AB #E6E064 #64E69F

square

#646AE6 #E664AB #E6E064 #64E69F

split-complementary

#646AE6 #E69F64 #ABE664

monochromatic

#1D24B3 #2F37DD #646AE6 #999DEE #CDCFF7

Accessibility & contrast

On white

4.42

#646AE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#646AE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646AE6

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AE6	#FFFFFF	#000000	##000000
##646AE6	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#187DEA

Deuteranopia (green-blind)

#0073E3

Tritanopia (blue-blind)

#15879E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646ae6;
/* rgb */ color: rgb(100, 106, 230);
/* oklch */ color: oklch(58.5% 0.184 277.0);

Tailwind

colors: {
  custom: {
    50: '#9a94ef',
    500: '#646ae6',
    950: '#000000',
  },
}

SCSS

$custom: #646ae6;
$custom-light: #9a94ef;
$custom-dark: #000000;

JSON

{
  "hex": "#646ae6",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 230
  },
  "hsl": {
    "h": 237.231,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.58516,
    "c": 0.18437,
    "h": 277
  },
  "luminance": 0.18731
}

Semantic roles & 50–950 ramp

primary

#646AE6

secondary

#E9E7BD

accent

#CB11D4

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646AE6

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

Preview Lab → · Contrast checker → · Palette generator →