#648EFD#648EFD

#648EFD is a light, vivid blue. Relative luminance 0.291; OKLCH L 67.0% C 0.171 H 266.3°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#648EFD
RGB	rgb(100, 142, 253)
HSL	hsl(224, 97%, 69%)
HSV	hsv(224, 60%, 99%)
CMYK	cmyk(60.5%, 43.9%, 0%, 0.8%)
CIE-LAB	lab(60.91, 18.68, -59.72)
CIE-LCH	lch(60.91, 62.57, 287.37°)
OKLab	oklab(66.95% -0.011 -0.1704)
OKLCH	oklch(66.95% 0.171 266.3)
XYZ	xyz(32.6521, 29.1444, 96.8142)
Luminance	0.2915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EFD #FDD364

analogous

#64DBFD #648EFD #8764FD

triadic

#648EFD #FD648E #8EFD64

tetradic

#648EFD #FD64DB #FDD364 #64FD87

square

#648EFD #FD64DB #FDD364 #64FD87

split-complementary

#648EFD #FD8764 #DBFD64

monochromatic

#0341E4 #2862FC #648EFD #A0BAFE #DDE6FF

Accessibility & contrast

On white

3.07

#648EFD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#648EFD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EFD

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EFD	#FFFFFF	#000000	##000000
##648EFD	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A9AFF

Deuteranopia (green-blind)

#438CFB

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648efd;
/* rgb */ color: rgb(100, 142, 253);
/* oklch */ color: oklch(67.0% 0.171 266.3);

Tailwind

colors: {
  custom: {
    50: '#9caeff',
    500: '#648efd',
    950: '#000000',
  },
}

SCSS

$custom: #648efd;
$custom-light: #9caeff;
$custom-dark: #000000;

JSON

{
  "hex": "#648efd",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 253
  },
  "hsl": {
    "h": 223.529,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.66953,
    "c": 0.17072,
    "h": 266.3
  },
  "luminance": 0.29147
}

Semantic roles & 50–950 ramp

primary

#648EFD

secondary

#F5E8C8

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648EFD

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

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