#648EEE#648EEE

#648EEE is a light, vivid blue. Relative luminance 0.282; OKLCH L 66.1% C 0.151 H 264.8°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#648EEE
RGB	rgb(100, 142, 238)
HSL	hsl(222, 80%, 66%)
HSV	hsv(222, 58%, 93%)
CMYK	cmyk(58%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(60.09, 13.79, -52.76)
CIE-LCH	lch(60.09, 54.53, 284.65°)
OKLab	oklab(66.06% -0.0137 -0.1499)
OKLCH	oklch(66.06% 0.151 264.8)
XYZ	xyz(30.3559, 28.2259, 84.7208)
Luminance	0.2823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EEE #EEC464

analogous

#64D3EE #648EEE #7F64EE

triadic

#648EEE #EE648E #8EEE64

tetradic

#648EEE #EE64D3 #EEC464 #64EE7F

square

#648EEE #EE64D3 #EEC464 #64EE7F

split-complementary

#648EEE #EE7F64 #D3EE64

monochromatic

#154AC2 #2D66E8 #648EEE #9BB6F4 #D2DEFA

Accessibility & contrast

On white

3.16

#648EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#648EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EEE

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EEE	#FFFFFF	#000000	##000000
##648EEE	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6598F2

Deuteranopia (green-blind)

#528BEC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648eee;
/* rgb */ color: rgb(100, 142, 238);
/* oklch */ color: oklch(66.1% 0.151 264.8);

Tailwind

colors: {
  custom: {
    50: '#9aaef4',
    500: '#648eee',
    950: '#000000',
  },
}

SCSS

$custom: #648eee;
$custom-light: #9aaef4;
$custom-dark: #000000;

JSON

{
  "hex": "#648eee",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 221.739,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.6606,
    "c": 0.15057,
    "h": 264.8
  },
  "luminance": 0.28228
}

Semantic roles & 50–950 ramp

primary

#648EEE

secondary

#EDE0C0

accent

#9C09DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EEE

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

Preview Lab → · Contrast checker → · Palette generator →