#648DEB#648DEB

#648DEB is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.7% C 0.148 H 264.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#648DEB
RGB	rgb(100, 141, 235)
HSL	hsl(222, 77%, 66%)
HSV	hsv(222, 57%, 92%)
CMYK	cmyk(57.4%, 40%, 0%, 7.8%)
CIE-LAB	lab(59.67, 13.41, -51.78)
CIE-LCH	lch(59.67, 53.48, 284.52°)
OKLab	oklab(65.68% -0.0132 -0.1471)
OKLCH	oklch(65.68% 0.148 264.9)
XYZ	xyz(29.7707, 27.7548, 82.3695)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DEB #EBC264

analogous

#64D0EB #648DEB #7E64EB

triadic

#648DEB #EB648D #8DEB64

tetradic

#648DEB #EB64D0 #EBC264 #64EB7E

square

#648DEB #EB64D0 #EBC264 #64EB7E

split-complementary

#648DEB #EB7E64 #D0EB64

monochromatic

#184ABC #2E65E4 #648DEB #9AB5F2 #D0DDF9

Accessibility & contrast

On white

3.21

#648DEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#648DEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DEB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DEB	#FFFFFF	#000000	##000000
##648DEB	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6596EF

Deuteranopia (green-blind)

#538AE9

Tritanopia (blue-blind)

#00A2B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648deb;
/* rgb */ color: rgb(100, 141, 235);
/* oklch */ color: oklch(65.7% 0.148 264.9);

Tailwind

colors: {
  custom: {
    50: '#9aadf2',
    500: '#648deb',
    950: '#000000',
  },
}

SCSS

$custom: #648deb;
$custom-light: #9aadf2;
$custom-dark: #000000;

JSON

{
  "hex": "#648deb",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 235
  },
  "hsl": {
    "h": 221.778,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65681,
    "c": 0.14766,
    "h": 264.9
  },
  "luminance": 0.27757
}

Semantic roles & 50–950 ramp

primary

#648DEB

secondary

#ECDEBF

accent

#9B0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DEB

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

Preview Lab → · Contrast checker → · Palette generator →