#648FE6#648FE6

#648FE6 is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.139 H 263.2°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#648FE6
RGB	rgb(100, 143, 230)
HSL	hsl(220, 72%, 65%)
HSV	hsv(220, 57%, 90%)
CMYK	cmyk(56.5%, 37.8%, 0%, 9.8%)
CIE-LAB	lab(59.95, 10.62, -48.56)
CIE-LCH	lch(59.95, 49.70, 282.34°)
OKLab	oklab(65.81% -0.0164 -0.1376)
OKLCH	oklch(65.81% 0.139 263.2)
XYZ	xyz(29.3560, 28.0651, 78.7177)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FE6 #E6BB64

analogous

#64D0E6 #648FE6 #7A64E6

triadic

#648FE6 #E6648F #8FE664

tetradic

#648FE6 #E664D0 #E6BB64 #64E67A

square

#648FE6 #E664D0 #E6BB64 #64E67A

split-complementary

#648FE6 #E67A64 #D0E664

monochromatic

#1D4EB3 #2F69DD #648FE6 #99B5EE #CDDBF7

Accessibility & contrast

On white

3.18

#648FE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#648FE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FE6

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FE6	#FFFFFF	#000000	##000000
##648FE6	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B97E9

Deuteranopia (green-blind)

#5A8BE4

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648fe6;
/* rgb */ color: rgb(100, 143, 230);
/* oklch */ color: oklch(65.8% 0.139 263.2);

Tailwind

colors: {
  custom: {
    50: '#99afee',
    500: '#648fe6',
    950: '#000000',
  },
}

SCSS

$custom: #648fe6;
$custom-light: #99afee;
$custom-dark: #000000;

JSON

{
  "hex": "#648fe6",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 230
  },
  "hsl": {
    "h": 220.154,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65814,
    "c": 0.13861,
    "h": 263.2
  },
  "luminance": 0.28067
}

Semantic roles & 50–950 ramp

primary

#648FE6

secondary

#E9DABD

accent

#9411D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648FE6

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

Preview Lab → · Contrast checker → · Palette generator →