#648DF8#648DF8

#648DF8 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.4% C 0.165 H 266.2°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#648DF8
RGB	rgb(100, 141, 248)
HSL	hsl(223, 91%, 68%)
HSV	hsv(223, 60%, 97%)
CMYK	cmyk(59.7%, 43.1%, 0%, 2.7%)
CIE-LAB	lab(60.37, 17.64, -57.84)
CIE-LCH	lch(60.37, 60.47, 286.96°)
OKLab	oklab(66.45% -0.0108 -0.1648)
OKLCH	oklch(66.45% 0.165 266.2)
XYZ	xyz(31.7179, 28.5337, 92.6248)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DF8 #F8CF64

analogous

#64D7F8 #648DF8 #8564F8

triadic

#648DF8 #F8648D #8DF864

tetradic

#648DF8 #F864D7 #F8CF64 #64F885

square

#648DF8 #F864D7 #F8CF64 #64F885

split-complementary

#648DF8 #F88564 #D7F864

monochromatic

#0A43D8 #2962F5 #648DF8 #9FB8FB #D9E3FD

Accessibility & contrast

On white

3.13

#648DF8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#648DF8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DF8

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DF8	#FFFFFF	#000000	##000000
##648DF8	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C99FC

Deuteranopia (green-blind)

#468BF6

Tritanopia (blue-blind)

#00A5B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648df8;
/* rgb */ color: rgb(100, 141, 248);
/* oklch */ color: oklch(66.4% 0.165 266.2);

Tailwind

colors: {
  custom: {
    50: '#9cadfb',
    500: '#648df8',
    950: '#000000',
  },
}

SCSS

$custom: #648df8;
$custom-light: #9cadfb;
$custom-dark: #000000;

JSON

{
  "hex": "#648df8",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 248
  },
  "hsl": {
    "h": 223.378,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.66448,
    "c": 0.16521,
    "h": 266.2
  },
  "luminance": 0.28536
}

Semantic roles & 50–950 ramp

primary

#648DF8

secondary

#F2E6C5

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648DF8

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

Preview Lab → · Contrast checker → · Palette generator →