#646DF3#646DF3

#646DF3 is a mid, vivid blue. Relative luminance 0.201; OKLCH L 60.0% C 0.198 H 275.8°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#646DF3
RGB	rgb(100, 109, 243)
HSL	hsl(236, 86%, 67%)
HSV	hsv(236, 59%, 95%)
CMYK	cmyk(58.8%, 55.1%, 0%, 4.7%)
CIE-LAB	lab(51.97, 35.30, -68.57)
CIE-LCH	lch(51.97, 77.13, 297.24°)
OKLab	oklab(59.99% 0.0199 -0.1968)
OKLCH	oklch(59.99% 0.198 275.8)
XYZ	xyz(26.8966, 20.1156, 87.2420)
Luminance	0.2012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DF3 #F3EA64

analogous

#64B4F3 #646DF3 #A364F3

triadic

#646DF3 #F3646D #6DF364

tetradic

#646DF3 #F364B4 #F3EA64 #64F3A3

square

#646DF3 #F364B4 #F3EA64 #64F3A3

split-complementary

#646DF3 #F3A364 #B4F364

monochromatic

#101CCD #2B37EF #646DF3 #9DA3F7 #D6D8FC

Accessibility & contrast

On white

4.18

#646DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#646DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DF3

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DF3	#FFFFFF	#000000	##000000
##646DF3	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0082F8

Deuteranopia (green-blind)

#0076F0

Tritanopia (blue-blind)

#008DA5

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646df3;
/* rgb */ color: rgb(100, 109, 243);
/* oklch */ color: oklch(60.0% 0.198 275.8);

Tailwind

colors: {
  custom: {
    50: '#9c96f8',
    500: '#646df3',
    950: '#000000',
  },
}

SCSS

$custom: #646df3;
$custom-light: #9c96f8;
$custom-dark: #000000;

JSON

{
  "hex": "#646df3",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 243
  },
  "hsl": {
    "h": 236.224,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.59988,
    "c": 0.19779,
    "h": 275.8
  },
  "luminance": 0.20118
}

Semantic roles & 50–950 ramp

primary

#646DF3

secondary

#F0EDC3

accent

#D403E2

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646DF3

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

Preview Lab → · Contrast checker → · Palette generator →