#648CF0#648CF0

#648CF0 is a light, vivid blue. Relative luminance 0.278; OKLCH L 65.8% C 0.156 H 265.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#648CF0
RGB	rgb(100, 140, 240)
HSL	hsl(223, 82%, 67%)
HSV	hsv(223, 58%, 94%)
CMYK	cmyk(58.3%, 41.7%, 0%, 5.9%)
CIE-LAB	lab(59.67, 15.63, -54.54)
CIE-LCH	lch(59.67, 56.74, 285.99°)
OKLab	oklab(65.77% -0.0112 -0.1552)
OKLCH	oklch(65.77% 0.156 265.9)
XYZ	xyz(30.3564, 27.7543, 86.1786)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CF0 #F0C864

analogous

#64D2F0 #648CF0 #8264F0

triadic

#648CF0 #F0648C #8CF064

tetradic

#648CF0 #F064D2 #F0C864 #64F082

square

#648CF0 #F064D2 #F0C864 #64F082

split-complementary

#648CF0 #F08264 #D2F064

monochromatic

#1346C6 #2C63EB #648CF0 #9CB5F5 #D4DFFB

Accessibility & contrast

On white

3.21

#648CF0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#648CF0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CF0

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CF0	#FFFFFF	#000000	##000000
##648CF0	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)

#6097F4

Deuteranopia (green-blind)

#4D8AEE

Tritanopia (blue-blind)

#00A2B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648cf0;
/* rgb */ color: rgb(100, 140, 240);
/* oklch */ color: oklch(65.8% 0.156 265.9);

Tailwind

colors: {
  custom: {
    50: '#9badf5',
    500: '#648cf0',
    950: '#000000',
  },
}

SCSS

$custom: #648cf0;
$custom-light: #9badf5;
$custom-dark: #000000;

JSON

{
  "hex": "#648cf0",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 240
  },
  "hsl": {
    "h": 222.857,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.65767,
    "c": 0.15561,
    "h": 265.9
  },
  "luminance": 0.27757
}

Semantic roles & 50–950 ramp

primary

#648CF0

secondary

#EEE2C1

accent

#A107DF

background

#FAFAFF

surface

#F3F4FE

border

#CDCED6

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648CF0

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

Preview Lab → · Contrast checker → · Palette generator →