#648BEE#648BEE

#648BEE is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.154 H 266.1°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#648BEE
RGB	rgb(100, 139, 238)
HSL	hsl(223, 80%, 66%)
HSV	hsv(223, 58%, 93%)
CMYK	cmyk(58%, 41.6%, 0%, 6.7%)
CIE-LAB	lab(59.29, 15.58, -54.03)
CIE-LCH	lch(59.29, 56.23, 286.08°)
OKLab	oklab(65.44% -0.0105 -0.1537)
OKLCH	oklch(65.44% 0.154 266.1)
XYZ	xyz(29.9155, 27.3452, 84.5740)
Luminance	0.2735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BEE #EEC764

analogous

#64D0EE #648BEE #8264EE

triadic

#648BEE #EE648B #8BEE64

tetradic

#648BEE #EE64D0 #EEC764 #64EE82

square

#648BEE #EE64D0 #EEC764 #64EE82

split-complementary

#648BEE #EE8264 #D0EE64

monochromatic

#1546C2 #2D62E8 #648BEE #9BB4F4 #D2DEFA

Accessibility & contrast

On white

3.25

#648BEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#648BEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BEE

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BEE	#FFFFFF	#000000	##000000
##648BEE	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6095F2

Deuteranopia (green-blind)

#4D89EC

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648bee;
/* rgb */ color: rgb(100, 139, 238);
/* oklch */ color: oklch(65.4% 0.154 266.1);

Tailwind

colors: {
  custom: {
    50: '#9aacf4',
    500: '#648bee',
    950: '#000000',
  },
}

SCSS

$custom: #648bee;
$custom-light: #9aacf4;
$custom-dark: #000000;

JSON

{
  "hex": "#648bee",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 238
  },
  "hsl": {
    "h": 223.043,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.65444,
    "c": 0.15407,
    "h": 266.1
  },
  "luminance": 0.27348
}

Semantic roles & 50–950 ramp

primary

#648BEE

secondary

#EDE1C0

accent

#A109DD

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648BEE

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

Preview Lab → · Contrast checker → · Palette generator →