#648EE4#648EE4

#648EE4 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.5% C 0.137 H 263.4°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#648EE4
RGB	rgb(100, 142, 228)
HSL	hsl(220, 70%, 64%)
HSV	hsv(220, 56%, 89%)
CMYK	cmyk(56.1%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(59.58, 10.57, -48.04)
CIE-LCH	lch(59.58, 49.18, 282.41°)
OKLab	oklab(65.49% -0.0158 -0.1361)
OKLCH	oklch(65.49% 0.137 263.4)
XYZ	xyz(28.9273, 27.6545, 77.1972)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EE4 #E4BA64

analogous

#64CEE4 #648EE4 #7A64E4

triadic

#648EE4 #E4648E #8EE464

tetradic

#648EE4 #E464CE #E4BA64 #64E47A

square

#648EE4 #E464CE #E4BA64 #64E47A

split-complementary

#648EE4 #E47A64 #CEE464

monochromatic

#1F4EAF #3068DB #648EE4 #98B4ED #CCDAF6

Accessibility & contrast

On white

3.22

#648EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#648EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EE4

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EE4	#FFFFFF	#000000	##000000
##648EE4	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E7

Deuteranopia (green-blind)

#5A8AE2

Tritanopia (blue-blind)

#02A1AE

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #648ee4;
/* rgb */ color: rgb(100, 142, 228);
/* oklch */ color: oklch(65.5% 0.137 263.4);

Tailwind

colors: {
  custom: {
    50: '#99aeed',
    500: '#648ee4',
    950: '#000000',
  },
}

SCSS

$custom: #648ee4;
$custom-light: #99aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#648ee4",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 220.313,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65493,
    "c": 0.13703,
    "h": 263.4
  },
  "luminance": 0.27657
}

Semantic roles & 50–950 ramp

primary

#648EE4

secondary

#E8DABC

accent

#9413D2

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648EE4

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

Preview Lab → · Contrast checker → · Palette generator →