#648ADD#648ADD

#648ADD is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.3% C 0.132 H 264.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#648ADD
RGB	rgb(100, 138, 221)
HSL	hsl(221, 64%, 63%)
HSV	hsv(221, 55%, 87%)
CMYK	cmyk(54.8%, 37.6%, 0%, 13.3%)
CIE-LAB	lab(58.14, 10.71, -46.41)
CIE-LCH	lch(58.14, 47.63, 282.99°)
OKLab	oklab(64.26% -0.0129 -0.1314)
OKLCH	oklch(64.26% 0.132 264.4)
XYZ	xyz(27.3907, 26.1046, 71.9879)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ADD #DDB764

analogous

#64C6DD #648ADD #7A64DD

triadic

#648ADD #DD648A #8ADD64

tetradic

#648ADD #DD64C6 #DDB764 #64DD7A

square

#648ADD #DD64C6 #DDB764 #64DD7A

split-complementary

#648ADD #DD7A64 #C6DD64

monochromatic

#244CA3 #3264D2 #648ADD #96B0E8 #C8D6F3

Accessibility & contrast

On white

3.38

#648ADD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#648ADD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ADD

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ADD	#FFFFFF	#000000	##000000
##648ADD	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E0

Deuteranopia (green-blind)

#5987DB

Tritanopia (blue-blind)

#1B9CA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648add;
/* rgb */ color: rgb(100, 138, 221);
/* oklch */ color: oklch(64.3% 0.132 264.4);

Tailwind

colors: {
  custom: {
    50: '#98abe8',
    500: '#648add',
    950: '#000000',
  },
}

SCSS

$custom: #648add;
$custom-light: #98abe8;
$custom-dark: #000000;

JSON

{
  "hex": "#648add",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 221.157,
    "s": 64.021,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64263,
    "c": 0.13204,
    "h": 264.4
  },
  "luminance": 0.26107
}

Semantic roles & 50–950 ramp

primary

#648ADD

secondary

#E4D6B9

accent

#941ACC

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648ADD

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

Preview Lab → · Contrast checker → · Palette generator →