#648ADE#648ADE

#648ADE is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.3% C 0.133 H 264.5°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#648ADE
RGB	rgb(100, 138, 222)
HSL	hsl(221, 65%, 63%)
HSV	hsv(221, 55%, 87%)
CMYK	cmyk(55%, 37.8%, 0%, 12.9%)
CIE-LAB	lab(58.19, 11.03, -46.89)
CIE-LCH	lch(58.19, 48.17, 283.23°)
OKLab	oklab(64.32% -0.0127 -0.1328)
OKLCH	oklch(64.32% 0.133 264.5)
XYZ	xyz(27.5244, 26.1581, 72.6917)
Luminance	0.2616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ADE #DEB864

analogous

#64C7DE #648ADE #7B64DE

triadic

#648ADE #DE648A #8ADE64

tetradic

#648ADE #DE64C7 #DEB864 #64DE7B

square

#648ADE #DE64C7 #DEB864 #64DE7B

split-complementary

#648ADE #DE7B64 #C7DE64

monochromatic

#234BA5 #3264D3 #648ADE #96B0E9 #C9D6F3

Accessibility & contrast

On white

3.37

#648ADE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#648ADE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ADE

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ADE	#FFFFFF	#000000	##000000
##648ADE	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6892E1

Deuteranopia (green-blind)

#5987DC

Tritanopia (blue-blind)

#199CA9

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648ade;
/* rgb */ color: rgb(100, 138, 222);
/* oklch */ color: oklch(64.3% 0.133 264.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#648ade",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 222
  },
  "hsl": {
    "h": 221.311,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64319,
    "c": 0.13341,
    "h": 264.5
  },
  "luminance": 0.2616
}

Semantic roles & 50–950 ramp

primary

#648ADE

secondary

#E5D7B9

accent

#9519CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648ADE

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

Preview Lab → · Contrast checker → · Palette generator →