#648AD8#648AD8

#648AD8 is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.0% C 0.125 H 263.6°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#648AD8
RGB	rgb(100, 138, 216)
HSL	hsl(220, 60%, 62%)
HSV	hsv(220, 54%, 85%)
CMYK	cmyk(53.7%, 36.1%, 0%, 15.3%)
CIE-LAB	lab(57.89, 9.13, -44.01)
CIE-LCH	lch(57.89, 44.94, 281.71°)
OKLab	oklab(63.99% -0.014 -0.1244)
OKLCH	oklch(63.99% 0.125 263.6)
XYZ	xyz(26.7345, 25.8421, 68.5317)
Luminance	0.2584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AD8 #D8B264

analogous

#64C4D8 #648AD8 #7864D8

triadic

#648AD8 #D8648A #8AD864

tetradic

#648AD8 #D864C4 #D8B264 #64D878

square

#648AD8 #D864C4 #D8B264 #64D878

split-complementary

#648AD8 #D87864 #C4D864

monochromatic

#274D9B #3365CC #648AD8 #95AFE4 #C6D4F1

Accessibility & contrast

On white

3.40

#648AD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#648AD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AD8

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AD8	#FFFFFF	#000000	##000000
##648AD8	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B91DB

Deuteranopia (green-blind)

#5D86D6

Tritanopia (blue-blind)

#249BA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648ad8;
/* rgb */ color: rgb(100, 138, 216);
/* oklch */ color: oklch(64.0% 0.125 263.6);

Tailwind

colors: {
  custom: {
    50: '#97abe4',
    500: '#648ad8',
    950: '#000000',
  },
}

SCSS

$custom: #648ad8;
$custom-light: #97abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#648ad8",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 216
  },
  "hsl": {
    "h": 220.345,
    "s": 59.794,
    "l": 61.961
  },
  "oklch": {
    "l": 0.63989,
    "c": 0.12518,
    "h": 263.6
  },
  "luminance": 0.25844
}

Semantic roles & 50–950 ramp

primary

#648AD8

secondary

#E1D3B7

accent

#901EC7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1015

muted

#7E7F84

Preview Lab

Preview with #648AD8

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

Preview Lab → · Contrast checker → · Palette generator →