#646DE5#646DE5

#646DE5 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 59.0% C 0.179 H 276.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#646DE5
RGB	rgb(100, 109, 229)
HSL	hsl(236, 71%, 65%)
HSV	hsv(236, 56%, 90%)
CMYK	cmyk(56.3%, 52.4%, 0%, 10.2%)
CIE-LAB	lab(51.04, 30.81, -62.24)
CIE-LCH	lch(51.04, 69.45, 296.34°)
OKLab	oklab(59% 0.0193 -0.1781)
OKLCH	oklch(59% 0.179 276.2)
XYZ	xyz(24.8625, 19.3020, 76.5291)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DE5 #E5DC64

analogous

#64AEE5 #646DE5 #9C64E5

triadic

#646DE5 #E5646D #6DE564

tetradic

#646DE5 #E564AE #E5DC64 #64E59C

square

#646DE5 #E564AE #E5DC64 #64E59C

split-complementary

#646DE5 #E59C64 #AEE564

monochromatic

#1E28B1 #303CDC #646DE5 #989EEE #CDD0F7

Accessibility & contrast

On white

4.32

#646DE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#646DE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DE5

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DE5	#FFFFFF	#000000	##000000
##646DE5	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#277FE9

Deuteranopia (green-blind)

#0074E2

Tritanopia (blue-blind)

#16889F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #646de5;
/* rgb */ color: rgb(100, 109, 229);
/* oklch */ color: oklch(59.0% 0.179 276.2);

Tailwind

colors: {
  custom: {
    50: '#9a96ee',
    500: '#646de5',
    950: '#000000',
  },
}

SCSS

$custom: #646de5;
$custom-light: #9a96ee;
$custom-dark: #000000;

JSON

{
  "hex": "#646de5",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 229
  },
  "hsl": {
    "h": 235.814,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.58997,
    "c": 0.17919,
    "h": 276.2
  },
  "luminance": 0.19304
}

Semantic roles & 50–950 ramp

primary

#646DE5

secondary

#E9E6BC

accent

#C612D3

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646DE5

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

Preview Lab → · Contrast checker → · Palette generator →