#648DF7#648DF7

#648DF7 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.164 H 266.1°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#648DF7
RGB	rgb(100, 141, 247)
HSL	hsl(223, 90%, 68%)
HSV	hsv(223, 60%, 97%)
CMYK	cmyk(59.5%, 42.9%, 0%, 3.1%)
CIE-LAB	lab(60.31, 17.31, -57.37)
CIE-LCH	lch(60.31, 59.93, 286.79°)
OKLab	oklab(66.39% -0.011 -0.1635)
OKLCH	oklch(66.39% 0.164 266.1)
XYZ	xyz(31.5632, 28.4718, 91.8099)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DF7 #F7CE64

analogous

#64D7F7 #648DF7 #8464F7

triadic

#648DF7 #F7648D #8DF764

tetradic

#648DF7 #F764D7 #F7CE64 #64F784

square

#648DF7 #F764D7 #F7CE64 #64F784

split-complementary

#648DF7 #F78464 #D7F764

monochromatic

#0B44D6 #2A62F4 #648DF7 #9EB8FA #D8E3FD

Accessibility & contrast

On white

3.14

#648DF7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#648DF7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DF7

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DF7	#FFFFFF	#000000	##000000
##648DF7	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D99FB

Deuteranopia (green-blind)

#488BF5

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648df7;
/* rgb */ color: rgb(100, 141, 247);
/* oklch */ color: oklch(66.4% 0.164 266.1);

Tailwind

colors: {
  custom: {
    50: '#9badfa',
    500: '#648df7',
    950: '#000000',
  },
}

SCSS

$custom: #648df7;
$custom-light: #9badfa;
$custom-dark: #000000;

JSON

{
  "hex": "#648df7",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 247
  },
  "hsl": {
    "h": 223.265,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.66388,
    "c": 0.16386,
    "h": 266.1
  },
  "luminance": 0.28474
}

Semantic roles & 50–950 ramp

primary

#648DF7

secondary

#F2E5C5

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DF7

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

Preview Lab → · Contrast checker → · Palette generator →