#648DFD#648DFD

#648DFD is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.8% C 0.172 H 266.7°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#648DFD
RGB	rgb(100, 141, 253)
HSL	hsl(224, 97%, 69%)
HSV	hsv(224, 60%, 99%)
CMYK	cmyk(60.5%, 44.3%, 0%, 0.8%)
CIE-LAB	lab(60.65, 19.28, -60.14)
CIE-LCH	lch(60.65, 63.15, 287.77°)
OKLab	oklab(66.75% -0.01 -0.1716)
OKLCH	oklch(66.75% 0.172 266.7)
XYZ	xyz(32.5040, 28.8481, 96.7648)
Luminance	0.2885 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DFD #FDD464

analogous

#64D9FD #648DFD #8864FD

triadic

#648DFD #FD648D #8DFD64

tetradic

#648DFD #FD64D9 #FDD464 #64FD88

square

#648DFD #FD64D9 #FDD464 #64FD88

split-complementary

#648DFD #FD8864 #D9FD64

monochromatic

#033FE4 #2861FC #648DFD #A0B9FE #DDE6FF

Accessibility & contrast

On white

3.10

#648DFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#648DFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DFD

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DFD	#FFFFFF	#000000	##000000
##648DFD	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#589AFF

Deuteranopia (green-blind)

#418CFB

Tritanopia (blue-blind)

#00A6B9

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648dfd;
/* rgb */ color: rgb(100, 141, 253);
/* oklch */ color: oklch(66.8% 0.172 266.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#648dfd",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 253
  },
  "hsl": {
    "h": 223.922,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66753,
    "c": 0.17189,
    "h": 266.7
  },
  "luminance": 0.28851
}

Semantic roles & 50–950 ramp

primary

#648DFD

secondary

#F5E9C8

accent

#A800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648DFD

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

Preview Lab → · Contrast checker → · Palette generator →