#648CFD#648CFD

#648CFD is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.6% C 0.173 H 267.0°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#648CFD
RGB	rgb(100, 140, 253)
HSL	hsl(224, 97%, 69%)
HSV	hsv(224, 60%, 99%)
CMYK	cmyk(60.5%, 44.7%, 0%, 0.8%)
CIE-LAB	lab(60.39, 19.87, -60.55)
CIE-LCH	lch(60.39, 63.73, 288.17°)
OKLab	oklab(66.55% -0.0091 -0.1728)
OKLCH	oklch(66.55% 0.173 267)
XYZ	xyz(32.3572, 28.5546, 96.7159)
Luminance	0.2856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CFD #FDD564

analogous

#64D8FD #648CFD #8964FD

triadic

#648CFD #FD648C #8CFD64

tetradic

#648CFD #FD64D8 #FDD564 #64FD89

square

#648CFD #FD64D8 #FDD564 #64FD89

split-complementary

#648CFD #FD8964 #D8FD64

monochromatic

#033EE4 #285FFC #648CFD #A0B9FE #DDE6FF

Accessibility & contrast

On white

3.13

#648CFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#648CFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CFD

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

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

#5799FF

Deuteranopia (green-blind)

#3E8BFB

Tritanopia (blue-blind)

#00A6B8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648cfd;
/* rgb */ color: rgb(100, 140, 253);
/* oklch */ color: oklch(66.6% 0.173 267.0);

Tailwind

colors: {
  custom: {
    50: '#9cadff',
    500: '#648cfd',
    950: '#000000',
  },
}

SCSS

$custom: #648cfd;
$custom-light: #9cadff;
$custom-dark: #000000;

JSON

{
  "hex": "#648cfd",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 253
  },
  "hsl": {
    "h": 224.314,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66553,
    "c": 0.17308,
    "h": 267
  },
  "luminance": 0.28557
}

Semantic roles & 50–950 ramp

primary

#648CFD

secondary

#F5E9C8

accent

#AA00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648CFD

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

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