#648FFD#648FFD

#648FFD is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.2% C 0.170 H 265.9°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#648FFD
RGB	rgb(100, 143, 253)
HSL	hsl(223, 97%, 69%)
HSV	hsv(223, 60%, 99%)
CMYK	cmyk(60.5%, 43.5%, 0%, 0.8%)
CIE-LAB	lab(61.17, 18.08, -59.30)
CIE-LCH	lch(61.17, 61.99, 286.96°)
OKLab	oklab(67.15% -0.012 -0.1691)
OKLCH	oklch(67.15% 0.17 265.9)
XYZ	xyz(32.8015, 29.4433, 96.8640)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FFD #FDD264

analogous

#64DCFD #648FFD #8664FD

triadic

#648FFD #FD648F #8FFD64

tetradic

#648FFD #FD64DC #FDD264 #64FD86

square

#648FFD #FD64DC #FDD264 #64FD86

split-complementary

#648FFD #FD8664 #DCFD64

monochromatic

#0342E4 #2863FC #648FFD #A0BBFE #DDE6FF

Accessibility & contrast

On white

3.05

#648FFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#648FFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FFD

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FFD	#FFFFFF	#000000	##000000
##648FFD	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C9BFF

Deuteranopia (green-blind)

#458DFB

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #648ffd;
/* rgb */ color: rgb(100, 143, 253);
/* oklch */ color: oklch(67.2% 0.170 265.9);

Tailwind

colors: {
  custom: {
    50: '#9cafff',
    500: '#648ffd',
    950: '#000000',
  },
}

SCSS

$custom: #648ffd;
$custom-light: #9cafff;
$custom-dark: #000000;

JSON

{
  "hex": "#648ffd",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 253
  },
  "hsl": {
    "h": 223.137,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.67154,
    "c": 0.16955,
    "h": 265.9
  },
  "luminance": 0.29446
}

Semantic roles & 50–950 ramp

primary

#648FFD

secondary

#F5E8C8

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648FFD

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

Preview Lab → · Contrast checker → · Palette generator →