#648BE5#648BE5

#648BE5 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.9% C 0.142 H 265.0°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#648BE5
RGB	rgb(100, 139, 229)
HSL	hsl(222, 71%, 65%)
HSV	hsv(222, 56%, 90%)
CMYK	cmyk(56.3%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(58.82, 12.67, -49.80)
CIE-LCH	lch(58.82, 51.38, 284.28°)
OKLab	oklab(64.92% -0.0123 -0.1413)
OKLCH	oklch(64.92% 0.142 265)
XYZ	xyz(28.6262, 26.8294, 77.7836)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BE5 #E5BE64

analogous

#64CCE5 #648BE5 #7D64E5

triadic

#648BE5 #E5648B #8BE564

tetradic

#648BE5 #E564CC #E5BE64 #64E57D

square

#648BE5 #E564CC #E5BE64 #64E57D

split-complementary

#648BE5 #E57D64 #CCE564

monochromatic

#1E4AB1 #3064DC #648BE5 #98B2EE #CDD9F7

Accessibility & contrast

On white

3.30

#648BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#648BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BE5

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BE5	#FFFFFF	#000000	##000000
##648BE5	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6594E9

Deuteranopia (green-blind)

#5588E3

Tritanopia (blue-blind)

#009FAD

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648be5;
/* rgb */ color: rgb(100, 139, 229);
/* oklch */ color: oklch(64.9% 0.142 265.0);

Tailwind

colors: {
  custom: {
    50: '#99aced',
    500: '#648be5',
    950: '#000000',
  },
}

SCSS

$custom: #648be5;
$custom-light: #99aced;
$custom-dark: #000000;

JSON

{
  "hex": "#648be5",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 221.86,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.64922,
    "c": 0.14182,
    "h": 265
  },
  "luminance": 0.26832
}

Semantic roles & 50–950 ramp

primary

#648BE5

secondary

#E9DBBC

accent

#9912D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648BE5

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

Preview Lab → · Contrast checker → · Palette generator →