#648EEC#648EEC

#648EEC is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.148 H 264.5°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#648EEC
RGB	rgb(100, 142, 236)
HSL	hsl(221, 78%, 66%)
HSV	hsv(221, 58%, 93%)
CMYK	cmyk(57.6%, 39.8%, 0%, 7.5%)
CIE-LAB	lab(59.99, 13.14, -51.82)
CIE-LCH	lch(59.99, 53.46, 284.23°)
OKLab	oklab(65.94% -0.0141 -0.1472)
OKLCH	oklch(65.94% 0.148 264.5)
XYZ	xyz(30.0637, 28.1090, 83.1819)
Luminance	0.2811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EEC #ECC264

analogous

#64D2EC #648EEC #7E64EC

triadic

#648EEC #EC648E #8EEC64

tetradic

#648EEC #EC64D2 #ECC264 #64EC7E

square

#648EEC #EC64D2 #ECC264 #64EC7E

split-complementary

#648EEC #EC7E64 #D2EC64

monochromatic

#174BBE #2D66E5 #648EEC #9BB6F3 #D1DDF9

Accessibility & contrast

On white

3.17

#648EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#648EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EEC

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EEC	#FFFFFF	#000000	##000000
##648EEC	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6697F0

Deuteranopia (green-blind)

#548BEA

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648eec;
/* rgb */ color: rgb(100, 142, 236);
/* oklch */ color: oklch(65.9% 0.148 264.5);

Tailwind

colors: {
  custom: {
    50: '#9aaef2',
    500: '#648eec',
    950: '#000000',
  },
}

SCSS

$custom: #648eec;
$custom-light: #9aaef2;
$custom-dark: #000000;

JSON

{
  "hex": "#648eec",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 236
  },
  "hsl": {
    "h": 221.471,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65945,
    "c": 0.14786,
    "h": 264.5
  },
  "luminance": 0.28111
}

Semantic roles & 50–950 ramp

primary

#648EEC

secondary

#ECDEBF

accent

#9A0BDA

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EEC

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

Preview Lab → · Contrast checker → · Palette generator →