#648AFD#648AFD

#648AFD is a light, vivid blue. Relative luminance 0.280; OKLCH L 66.2% C 0.175 H 267.7°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#648AFD
RGB	rgb(100, 138, 253)
HSL	hsl(225, 97%, 69%)
HSV	hsv(225, 60%, 99%)
CMYK	cmyk(60.5%, 45.5%, 0%, 0.8%)
CIE-LAB	lab(59.87, 21.07, -61.39)
CIE-LCH	lch(59.87, 64.90, 288.94°)
OKLab	oklab(66.16% -0.0071 -0.1753)
OKLCH	oklch(66.16% 0.175 267.7)
XYZ	xyz(32.0676, 27.9754, 96.6193)
Luminance	0.2798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648AFD #FDD764

analogous

#64D7FD #648AFD #8B64FD

triadic

#648AFD #FD648A #8AFD64

tetradic

#648AFD #FD64D7 #FDD764 #64FD8B

square

#648AFD #FD64D7 #FDD764 #64FD8B

split-complementary

#648AFD #FD8B64 #D7FD64

monochromatic

#033BE4 #285CFC #648AFD #A0B8FE #DDE5FF

Accessibility & contrast

On white

3.18

#648AFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#648AFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648AFD

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648AFD	#FFFFFF	#000000	##000000
##648AFD	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5398FF

Deuteranopia (green-blind)

#3A8AFB

Tritanopia (blue-blind)

#00A4B7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648afd;
/* rgb */ color: rgb(100, 138, 253);
/* oklch */ color: oklch(66.2% 0.175 267.7);

Tailwind

colors: {
  custom: {
    50: '#9cabff',
    500: '#648afd',
    950: '#000000',
  },
}

SCSS

$custom: #648afd;
$custom-light: #9cabff;
$custom-dark: #000000;

JSON

{
  "hex": "#648afd",
  "rgb": {
    "r": 100,
    "g": 138,
    "b": 253
  },
  "hsl": {
    "h": 225.098,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66155,
    "c": 0.17545,
    "h": 267.7
  },
  "luminance": 0.27978
}

Semantic roles & 50–950 ramp

primary

#648AFD

secondary

#F5EAC8

accent

#AC00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648AFD

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

Preview Lab → · Contrast checker → · Palette generator →