#648CEC#648CEC

#648CEC is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.150 H 265.4°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#648CEC
RGB	rgb(100, 140, 236)
HSL	hsl(222, 78%, 66%)
HSV	hsv(222, 58%, 93%)
CMYK	cmyk(57.6%, 40.7%, 0%, 7.5%)
CIE-LAB	lab(59.45, 14.33, -52.67)
CIE-LCH	lch(59.45, 54.59, 285.22°)
OKLab	oklab(65.53% -0.012 -0.1497)
OKLCH	oklch(65.53% 0.15 265.4)
XYZ	xyz(29.7688, 27.5192, 83.0836)
Luminance	0.2752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CEC #ECC464

analogous

#64D0EC #648CEC #8064EC

triadic

#648CEC #EC648C #8CEC64

tetradic

#648CEC #EC64D0 #ECC464 #64EC80

square

#648CEC #EC64D0 #ECC464 #64EC80

split-complementary

#648CEC #EC8064 #D0EC64

monochromatic

#1748BE #2D64E5 #648CEC #9BB4F3 #D1DDF9

Accessibility & contrast

On white

3.23

#648CEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#648CEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CEC

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CEC	#FFFFFF	#000000	##000000
##648CEC	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6396F0

Deuteranopia (green-blind)

#5189EA

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648cec;
/* rgb */ color: rgb(100, 140, 236);
/* oklch */ color: oklch(65.5% 0.150 265.4);

Tailwind

colors: {
  custom: {
    50: '#9aadf2',
    500: '#648cec',
    950: '#000000',
  },
}

SCSS

$custom: #648cec;
$custom-light: #9aadf2;
$custom-dark: #000000;

JSON

{
  "hex": "#648cec",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 236
  },
  "hsl": {
    "h": 222.353,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65532,
    "c": 0.15019,
    "h": 265.4
  },
  "luminance": 0.27522
}

Semantic roles & 50–950 ramp

primary

#648CEC

secondary

#ECDFBF

accent

#9D0BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CEC

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

Preview Lab → · Contrast checker → · Palette generator →