#646CF2#646CF2

#646CF2 is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.7% C 0.198 H 276.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#646CF2
RGB	rgb(100, 108, 242)
HSL	hsl(237, 85%, 67%)
HSV	hsv(237, 59%, 95%)
CMYK	cmyk(58.7%, 55.4%, 0%, 5.1%)
CIE-LAB	lab(51.66, 35.58, -68.52)
CIE-LCH	lch(51.66, 77.20, 297.44°)
OKLab	oklab(59.74% 0.0209 -0.1966)
OKLCH	oklch(59.74% 0.198 276.1)
XYZ	xyz(26.6399, 19.8432, 86.4135)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CF2 #F2EA64

analogous

#64B3F2 #646CF2 #A364F2

triadic

#646CF2 #F2646C #6CF264

tetradic

#646CF2 #F264B3 #F2EA64 #64F2A3

square

#646CF2 #F264B3 #F2EA64 #64F2A3

split-complementary

#646CF2 #F2A364 #B3F264

monochromatic

#111BCB #2C36ED #646CF2 #9CA2F7 #D5D7FB

Accessibility & contrast

On white

4.23

#646CF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#646CF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CF2

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CF2	#FFFFFF	#000000	##000000
##646CF2	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0081F7

Deuteranopia (green-blind)

#0075EF

Tritanopia (blue-blind)

#008CA5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #646cf2;
/* rgb */ color: rgb(100, 108, 242);
/* oklch */ color: oklch(59.7% 0.198 276.1);

Tailwind

colors: {
  custom: {
    50: '#9c96f7',
    500: '#646cf2',
    950: '#000000',
  },
}

SCSS

$custom: #646cf2;
$custom-light: #9c96f7;
$custom-dark: #000000;

JSON

{
  "hex": "#646cf2",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 242
  },
  "hsl": {
    "h": 236.62,
    "s": 84.524,
    "l": 67.059
  },
  "oklch": {
    "l": 0.59736,
    "c": 0.19771,
    "h": 276.1
  },
  "luminance": 0.19845
}

Semantic roles & 50–950 ramp

primary

#646CF2

secondary

#EFEDC2

accent

#D505E1

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646CF2

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

Preview Lab → · Contrast checker → · Palette generator →