#648EE6#648EE6

#648EE6 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.6% C 0.140 H 263.7°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#648EE6
RGB	rgb(100, 142, 230)
HSL	hsl(221, 72%, 65%)
HSV	hsv(221, 57%, 90%)
CMYK	cmyk(56.5%, 38.3%, 0%, 9.8%)
CIE-LAB	lab(59.68, 11.21, -48.99)
CIE-LCH	lch(59.68, 50.25, 282.89°)
OKLab	oklab(65.6% -0.0153 -0.1389)
OKLCH	oklch(65.6% 0.14 263.7)
XYZ	xyz(29.2066, 27.7662, 78.6679)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EE6 #E6BC64

analogous

#64CFE6 #648EE6 #7B64E6

triadic

#648EE6 #E6648E #8EE664

tetradic

#648EE6 #E664CF #E6BC64 #64E67B

square

#648EE6 #E664CF #E6BC64 #64E67B

split-complementary

#648EE6 #E67B64 #CFE664

monochromatic

#1D4DB3 #2F68DD #648EE6 #99B4EE #CDDBF7

Accessibility & contrast

On white

3.20

#648EE6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#648EE6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EE6

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EE6	#FFFFFF	#000000	##000000
##648EE6	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6996EA

Deuteranopia (green-blind)

#598AE4

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648ee6;
/* rgb */ color: rgb(100, 142, 230);
/* oklch */ color: oklch(65.6% 0.140 263.7);

Tailwind

colors: {
  custom: {
    50: '#99aeee',
    500: '#648ee6',
    950: '#000000',
  },
}

SCSS

$custom: #648ee6;
$custom-light: #99aeee;
$custom-dark: #000000;

JSON

{
  "hex": "#648ee6",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 230
  },
  "hsl": {
    "h": 220.615,
    "s": 72.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65604,
    "c": 0.13974,
    "h": 263.7
  },
  "luminance": 0.27768
}

Semantic roles & 50–950 ramp

primary

#648EE6

secondary

#E9DBBD

accent

#9511D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648EE6

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

Preview Lab → · Contrast checker → · Palette generator →