#646CF8#646CF8

#646CF8 is a mid, highly saturated blue. Relative luminance 0.202; OKLCH L 60.2% C 0.206 H 275.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#646CF8
RGB	rgb(100, 108, 248)
HSL	hsl(237, 91%, 68%)
HSV	hsv(237, 60%, 97%)
CMYK	cmyk(59.7%, 56.5%, 0%, 2.7%)
CIE-LAB	lab(52.07, 37.50, -71.19)
CIE-LCH	lch(52.07, 80.46, 297.78°)
OKLab	oklab(60.18% 0.0209 -0.2045)
OKLCH	oklch(60.18% 0.206 275.8)
XYZ	xyz(27.5559, 20.2096, 91.2375)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CF8 #F8F064

analogous

#64B6F8 #646CF8 #A664F8

triadic

#646CF8 #F8646C #6CF864

tetradic

#646CF8 #F864B6 #F8F064 #64F8A6

square

#646CF8 #F864B6 #F8F064 #64F8A6

split-complementary

#646CF8 #F8A664 #B6F864

monochromatic

#0A15D8 #2934F5 #646CF8 #9FA4FB #D9DBFD

Accessibility & contrast

On white

4.16

#646CF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#646CF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CF8

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CF8	#FFFFFF	#000000	##000000
##646CF8	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0083FD

Deuteranopia (green-blind)

#0076F5

Tritanopia (blue-blind)

#008DA8

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646cf8;
/* rgb */ color: rgb(100, 108, 248);
/* oklch */ color: oklch(60.2% 0.206 275.8);

Tailwind

colors: {
  custom: {
    50: '#9d96fb',
    500: '#646cf8',
    950: '#000000',
  },
}

SCSS

$custom: #646cf8;
$custom-light: #9d96fb;
$custom-dark: #000000;

JSON

{
  "hex": "#646cf8",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 248
  },
  "hsl": {
    "h": 236.757,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.60175,
    "c": 0.20554,
    "h": 275.8
  },
  "luminance": 0.20212
}

Semantic roles & 50–950 ramp

primary

#646CF8

secondary

#F2F0C5

accent

#D900E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#100D18

muted

#7F7E86

Preview Lab

Preview with #646CF8

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

Preview Lab → · Contrast checker → · Palette generator →