#648BE2#648BE2

#648BE2 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.138 H 264.6°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#648BE2
RGB	rgb(100, 139, 226)
HSL	hsl(221, 68%, 64%)
HSV	hsv(221, 56%, 89%)
CMYK	cmyk(55.8%, 38.5%, 0%, 11.4%)
CIE-LAB	lab(58.66, 11.71, -48.37)
CIE-LCH	lch(58.66, 49.77, 283.61°)
OKLab	oklab(64.75% -0.0129 -0.1371)
OKLCH	oklch(64.75% 0.138 264.6)
XYZ	xyz(28.2110, 26.6633, 75.5967)
Luminance	0.2667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BE2 #E2BB64

analogous

#64CAE2 #648BE2 #7C64E2

triadic

#648BE2 #E2648B #8BE264

tetradic

#648BE2 #E264CA #E2BB64 #64E27C

square

#648BE2 #E264CA #E2BB64 #64E27C

split-complementary

#648BE2 #E27C64 #CAE264

monochromatic

#204BAC #3064D8 #648BE2 #98B2EC #CBD8F5

Accessibility & contrast

On white

3.32

#648BE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#648BE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BE2

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BE2	#FFFFFF	#000000	##000000
##648BE2	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6793E5

Deuteranopia (green-blind)

#5788E0

Tritanopia (blue-blind)

#0E9EAC

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648be2;
/* rgb */ color: rgb(100, 139, 226);
/* oklch */ color: oklch(64.8% 0.138 264.6);

Tailwind

colors: {
  custom: {
    50: '#99aceb',
    500: '#648be2',
    950: '#000000',
  },
}

SCSS

$custom: #648be2;
$custom-light: #99aceb;
$custom-dark: #000000;

JSON

{
  "hex": "#648be2",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 226
  },
  "hsl": {
    "h": 221.429,
    "s": 68.478,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64752,
    "c": 0.13774,
    "h": 264.6
  },
  "luminance": 0.26666
}

Semantic roles & 50–950 ramp

primary

#648BE2

secondary

#E7D9BB

accent

#9615D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648BE2

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

Preview Lab → · Contrast checker → · Palette generator →