#648BE6#648BE6

#648BE6 is a light, vivid blue. Relative luminance 0.269; OKLCH L 65.0% C 0.143 H 265.2°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#648BE6
RGB	rgb(100, 139, 230)
HSL	hsl(222, 72%, 65%)
HSV	hsv(222, 57%, 90%)
CMYK	cmyk(56.5%, 39.6%, 0%, 9.8%)
CIE-LAB	lab(58.87, 12.99, -50.27)
CIE-LCH	lch(58.87, 51.92, 284.49°)
OKLab	oklab(64.98% -0.0121 -0.1427)
OKLCH	oklch(64.98% 0.143 265.2)
XYZ	xyz(28.7662, 26.8855, 78.5211)
Luminance	0.2689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BE6 #E6BF64

analogous

#64CCE6 #648BE6 #7E64E6

triadic

#648BE6 #E6648B #8BE664

tetradic

#648BE6 #E664CC #E6BF64 #64E67E

square

#648BE6 #E664CC #E6BF64 #64E67E

split-complementary

#648BE6 #E67E64 #CCE664

monochromatic

#1D4AB3 #2F64DD #648BE6 #99B2EE #CDDAF7

Accessibility & contrast

On white

3.29

#648BE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#648BE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BE6

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BE6	#FFFFFF	#000000	##000000
##648BE6	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6594EA

Deuteranopia (green-blind)

#5488E4

Tritanopia (blue-blind)

#009FAD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648be6;
/* rgb */ color: rgb(100, 139, 230);
/* oklch */ color: oklch(65.0% 0.143 265.2);

Tailwind

colors: {
  custom: {
    50: '#99acee',
    500: '#648be6',
    950: '#000000',
  },
}

SCSS

$custom: #648be6;
$custom-light: #99acee;
$custom-dark: #000000;

JSON

{
  "hex": "#648be6",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 230
  },
  "hsl": {
    "h": 222,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.64979,
    "c": 0.14319,
    "h": 265.2
  },
  "luminance": 0.26888
}

Semantic roles & 50–950 ramp

primary

#648BE6

secondary

#E9DCBD

accent

#9A11D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648BE6

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

Preview Lab → · Contrast checker → · Palette generator →