#646EF8#646EF8

#646EF8 is a mid, highly saturated blue. Relative luminance 0.206; OKLCH L 60.5% C 0.203 H 275.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#646EF8
RGB	rgb(100, 110, 248)
HSL	hsl(236, 91%, 68%)
HSV	hsv(236, 60%, 97%)
CMYK	cmyk(59.7%, 55.6%, 0%, 2.7%)
CIE-LAB	lab(52.55, 36.31, -70.41)
CIE-LCH	lch(52.55, 79.22, 297.28°)
OKLab	oklab(60.53% 0.0191 -0.2022)
OKLCH	oklch(60.53% 0.203 275.4)
XYZ	xyz(27.7692, 20.6363, 91.3086)
Luminance	0.2064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EF8 #F8EE64

analogous

#64B8F8 #646EF8 #A464F8

triadic

#646EF8 #F8646E #6EF864

tetradic

#646EF8 #F864B8 #F8EE64 #64F8A4

square

#646EF8 #F864B8 #F8EE64 #64F8A4

split-complementary

#646EF8 #F8A464 #B8F864

monochromatic

#0A18D8 #2937F5 #646EF8 #9FA5FB #D9DCFD

Accessibility & contrast

On white

4.10

#646EF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#646EF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EF8

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EF8	#FFFFFF	#000000	##000000
##646EF8	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0084FD

Deuteranopia (green-blind)

#0077F5

Tritanopia (blue-blind)

#008FA8

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #646ef8;
/* rgb */ color: rgb(100, 110, 248);
/* oklch */ color: oklch(60.5% 0.203 275.4);

Tailwind

colors: {
  custom: {
    50: '#9d97fb',
    500: '#646ef8',
    950: '#000000',
  },
}

SCSS

$custom: #646ef8;
$custom-light: #9d97fb;
$custom-dark: #000000;

JSON

{
  "hex": "#646ef8",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 248
  },
  "hsl": {
    "h": 235.946,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.60529,
    "c": 0.20308,
    "h": 275.4
  },
  "luminance": 0.20638
}

Semantic roles & 50–950 ramp

primary

#646EF8

secondary

#F2EFC5

accent

#D600E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #646EF8

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

Preview Lab → · Contrast checker → · Palette generator →