#648DDE#648DDE

#648DDE is a light, vivid blue. Relative luminance 0.270; OKLCH L 65.0% C 0.130 H 262.9°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#648DDE
RGB	rgb(100, 141, 222)
HSL	hsl(220, 65%, 63%)
HSV	hsv(220, 55%, 87%)
CMYK	cmyk(55%, 36.5%, 0%, 12.9%)
CIE-LAB	lab(59.00, 9.25, -45.60)
CIE-LCH	lch(59.00, 46.53, 281.47°)
OKLab	oklab(64.95% -0.016 -0.129)
OKLCH	oklch(64.95% 0.13 262.9)
XYZ	xyz(27.9607, 27.0308, 72.8371)
Luminance	0.2703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DDE #DEB564

analogous

#64CADE #648DDE #7864DE

triadic

#648DDE #DE648D #8DDE64

tetradic

#648DDE #DE64CA #DEB564 #64DE78

square

#648DDE #DE64CA #DEB564 #64DE78

split-complementary

#648DDE #DE7864 #CADE64

monochromatic

#234FA5 #3268D3 #648DDE #96B2E9 #C9D7F3

Accessibility & contrast

On white

3.28

#648DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#648DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DDE

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DDE	#FFFFFF	#000000	##000000
##648DDE	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C94E1

Deuteranopia (green-blind)

#5D89DC

Tritanopia (blue-blind)

#189FAB

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648dde;
/* rgb */ color: rgb(100, 141, 222);
/* oklch */ color: oklch(65.0% 0.130 262.9);

Tailwind

colors: {
  custom: {
    50: '#98aee8',
    500: '#648dde',
    950: '#000000',
  },
}

SCSS

$custom: #648dde;
$custom-light: #98aee8;
$custom-dark: #000000;

JSON

{
  "hex": "#648dde",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 219.836,
    "s": 64.894,
    "l": 63.137
  },
  "oklch": {
    "l": 0.64951,
    "c": 0.13,
    "h": 262.9
  },
  "luminance": 0.27033
}

Semantic roles & 50–950 ramp

primary

#648DDE

secondary

#E5D6B9

accent

#9019CD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648DDE

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

Preview Lab → · Contrast checker → · Palette generator →