#648FD9#648FD9

#648FD9 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.1% C 0.121 H 260.7°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#648FD9
RGB	rgb(100, 143, 217)
HSL	hsl(218, 61%, 62%)
HSV	hsv(218, 54%, 85%)
CMYK	cmyk(53.9%, 34.1%, 0%, 14.9%)
CIE-LAB	lab(59.31, 6.49, -42.33)
CIE-LCH	lch(59.31, 42.82, 278.72°)
OKLab	oklab(65.11% -0.0195 -0.1195)
OKLCH	oklch(65.11% 0.121 260.7)
XYZ	xyz(27.5981, 27.3619, 69.4592)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FD9 #D9AE64

analogous

#64C9D9 #648FD9 #7464D9

triadic

#648FD9 #D9648F #8FD964

tetradic

#648FD9 #D964C9 #D9AE64 #64D974

square

#648FD9 #D964C9 #D9AE64 #64D974

split-complementary

#648FD9 #D97464 #C9D964

monochromatic

#26529C #336BCD #648FD9 #95B3E5 #C6D6F1

Accessibility & contrast

On white

3.24

#648FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#648FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FD9

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FD9	#FFFFFF	#000000	##000000
##648FD9	1.00	3.24	6.47	6.47
#FFFFFF	3.24	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)

#7195DC

Deuteranopia (green-blind)

#638AD7

Tritanopia (blue-blind)

#219FAA

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648fd9;
/* rgb */ color: rgb(100, 143, 217);
/* oklch */ color: oklch(65.1% 0.121 260.7);

Tailwind

colors: {
  custom: {
    50: '#98afe5',
    500: '#648fd9',
    950: '#000000',
  },
}

SCSS

$custom: #648fd9;
$custom-light: #98afe5;
$custom-dark: #000000;

JSON

{
  "hex": "#648fd9",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 217.949,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.65108,
    "c": 0.12104,
    "h": 260.7
  },
  "luminance": 0.27364
}

Semantic roles & 50–950 ramp

primary

#648FD9

secondary

#E2D2B7

accent

#891DC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648FD9

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

Preview Lab → · Contrast checker → · Palette generator →