#648BE0#648BE0

#648BE0 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.135 H 264.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#648BE0
RGB	rgb(100, 139, 224)
HSL	hsl(221, 67%, 64%)
HSV	hsv(221, 55%, 88%)
CMYK	cmyk(55.4%, 37.9%, 0%, 12.2%)
CIE-LAB	lab(58.56, 11.07, -47.42)
CIE-LCH	lch(58.56, 48.69, 283.14°)
OKLab	oklab(64.64% -0.0134 -0.1343)
OKLCH	oklch(64.64% 0.135 264.3)
XYZ	xyz(27.9381, 26.5542, 74.1598)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BE0 #E0B964

analogous

#64C9E0 #648BE0 #7B64E0

triadic

#648BE0 #E0648B #8BE064

tetradic

#648BE0 #E064C9 #E0B964 #64E07B

square

#648BE0 #E064C9 #E0B964 #64E07B

split-complementary

#648BE0 #E07B64 #C9E064

monochromatic

#224CA8 #3165D6 #648BE0 #97B1EA #CAD7F4

Accessibility & contrast

On white

3.33

#648BE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#648BE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BE0

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BE0	#FFFFFF	#000000	##000000
##648BE0	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6893E3

Deuteranopia (green-blind)

#5988DE

Tritanopia (blue-blind)

#149EAB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648be0;
/* rgb */ color: rgb(100, 139, 224);
/* oklch */ color: oklch(64.6% 0.135 264.3);

Tailwind

colors: {
  custom: {
    50: '#98acea',
    500: '#648be0',
    950: '#000000',
  },
}

SCSS

$custom: #648be0;
$custom-light: #98acea;
$custom-dark: #000000;

JSON

{
  "hex": "#648be0",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 224
  },
  "hsl": {
    "h": 221.129,
    "s": 66.667,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6464,
    "c": 0.135,
    "h": 264.3
  },
  "luminance": 0.26556
}

Semantic roles & 50–950 ramp

primary

#648BE0

secondary

#E6D8BA

accent

#9517CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648BE0

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

Preview Lab → · Contrast checker → · Palette generator →