#648BFD#648BFD

#648BFD is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.4% C 0.174 H 267.3°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#648BFD
RGB	rgb(100, 139, 253)
HSL	hsl(225, 97%, 69%)
HSV	hsv(225, 60%, 99%)
CMYK	cmyk(60.5%, 45.1%, 0%, 0.8%)
CIE-LAB	lab(60.13, 20.47, -60.97)
CIE-LCH	lch(60.13, 64.31, 288.56°)
OKLab	oklab(66.35% -0.0081 -0.1741)
OKLCH	oklch(66.35% 0.174 267.3)
XYZ	xyz(32.2117, 28.2637, 96.6674)
Luminance	0.2827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BFD #FDD664

analogous

#64D8FD #648BFD #8A64FD

triadic

#648BFD #FD648B #8BFD64

tetradic

#648BFD #FD64D8 #FDD664 #64FD8A

square

#648BFD #FD64D8 #FDD664 #64FD8A

split-complementary

#648BFD #FD8A64 #D8FD64

monochromatic

#033CE4 #285EFC #648BFD #A0B8FE #DDE5FF

Accessibility & contrast

On white

3.16

#648BFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#648BFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BFD

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BFD	#FFFFFF	#000000	##000000
##648BFD	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5598FF

Deuteranopia (green-blind)

#3C8AFB

Tritanopia (blue-blind)

#00A5B8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648bfd;
/* rgb */ color: rgb(100, 139, 253);
/* oklch */ color: oklch(66.4% 0.174 267.3);

Tailwind

colors: {
  custom: {
    50: '#9cacff',
    500: '#648bfd',
    950: '#000000',
  },
}

SCSS

$custom: #648bfd;
$custom-light: #9cacff;
$custom-dark: #000000;

JSON

{
  "hex": "#648bfd",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 253
  },
  "hsl": {
    "h": 224.706,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66354,
    "c": 0.17427,
    "h": 267.3
  },
  "luminance": 0.28266
}

Semantic roles & 50–950 ramp

primary

#648BFD

secondary

#F5E9C8

accent

#AB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648BFD

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

Preview Lab → · Contrast checker → · Palette generator →