#648BEB#648BEB

#648BEB is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.3% C 0.150 H 265.8°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#648BEB
RGB	rgb(100, 139, 235)
HSL	hsl(223, 77%, 66%)
HSV	hsv(223, 57%, 92%)
CMYK	cmyk(57.4%, 40.9%, 0%, 7.8%)
CIE-LAB	lab(59.13, 14.61, -52.63)
CIE-LCH	lch(59.13, 54.62, 285.51°)
OKLab	oklab(65.27% -0.0111 -0.1496)
OKLCH	oklch(65.27% 0.15 265.8)
XYZ	xyz(29.4785, 27.1703, 82.2721)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BEB #EBC464

analogous

#64CEEB #648BEB #8064EB

triadic

#648BEB #EB648B #8BEB64

tetradic

#648BEB #EB64CE #EBC464 #64EB80

square

#648BEB #EB64CE #EBC464 #64EB80

split-complementary

#648BEB #EB8064 #CEEB64

monochromatic

#1848BC #2E62E4 #648BEB #9AB4F2 #D0DCF9

Accessibility & contrast

On white

3.26

#648BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#648BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BEB

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BEB	#FFFFFF	#000000	##000000
##648BEB	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6295EF

Deuteranopia (green-blind)

#5089E9

Tritanopia (blue-blind)

#00A0B0

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648beb;
/* rgb */ color: rgb(100, 139, 235);
/* oklch */ color: oklch(65.3% 0.150 265.8);

Tailwind

colors: {
  custom: {
    50: '#9aacf2',
    500: '#648beb',
    950: '#000000',
  },
}

SCSS

$custom: #648beb;
$custom-light: #9aacf2;
$custom-dark: #000000;

JSON

{
  "hex": "#648beb",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 235
  },
  "hsl": {
    "h": 222.667,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.65268,
    "c": 0.15,
    "h": 265.8
  },
  "luminance": 0.27173
}

Semantic roles & 50–950 ramp

primary

#648BEB

secondary

#ECDFBF

accent

#9E0CD9

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648BEB

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

Preview Lab → · Contrast checker → · Palette generator →