#648ADA#648ADA

#648ADA is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.1% C 0.128 H 263.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#648ADA
RGB	rgb(100, 138, 218)
HSL	hsl(221, 61%, 62%)
HSV	hsv(221, 54%, 85%)
CMYK	cmyk(54.1%, 36.7%, 0%, 14.5%)
CIE-LAB	lab(57.99, 9.76, -44.97)
CIE-LCH	lch(57.99, 46.02, 282.24°)
OKLab	oklab(64.1% -0.0136 -0.1272)
OKLCH	oklch(64.1% 0.128 263.9)
XYZ	xyz(26.9946, 25.9462, 69.9017)
Luminance	0.2595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648ADA #DAB464

analogous

#64C5DA #648ADA #7964DA

triadic

#648ADA #DA648A #8ADA64

tetradic

#648ADA #DA64C5 #DAB464 #64DA79

square

#648ADA #DA64C5 #DAB464 #64DA79

split-complementary

#648ADA #DA7964 #C5DA64

monochromatic

#264C9E #3365CE #648ADA #95AFE6 #C7D5F2

Accessibility & contrast

On white

3.39

#648ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#648ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648ADA

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648ADA	#FFFFFF	#000000	##000000
##648ADA	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A91DD

Deuteranopia (green-blind)

#5B86D8

Tritanopia (blue-blind)

#219BA8

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648ada;
/* rgb */ color: rgb(100, 138, 218);
/* oklch */ color: oklch(64.1% 0.128 263.9);

Tailwind

colors: {
  custom: {
    50: '#98abe6',
    500: '#648ada',
    950: '#000000',
  },
}

SCSS

$custom: #648ada;
$custom-light: #98abe6;
$custom-dark: #000000;

JSON

{
  "hex": "#648ada",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 220.678,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64098,
    "c": 0.12792,
    "h": 263.9
  },
  "luminance": 0.25948
}

Semantic roles & 50–950 ramp

primary

#648ADA

secondary

#E2D5B7

accent

#921CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648ADA

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

Preview Lab → · Contrast checker → · Palette generator →