#648FFE#648FFE

#648FFE is a light, vivid blue. Relative luminance 0.295; OKLCH L 67.2% C 0.171 H 266.0°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#648FFE
RGB	rgb(100, 143, 254)
HSL	hsl(223, 99%, 69%)
HSV	hsv(223, 61%, 100%)
CMYK	cmyk(60.6%, 43.7%, 0%, 0.4%)
CIE-LAB	lab(61.23, 18.41, -59.76)
CIE-LCH	lch(61.23, 62.53, 287.12°)
OKLab	oklab(67.22% -0.0119 -0.1705)
OKLCH	oklch(67.22% 0.171 266)
XYZ	xyz(32.9613, 29.5071, 97.7052)
Luminance	0.2951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FFE #FED364

analogous

#64DCFE #648FFE #8664FE

triadic

#648FFE #FE648F #8FFE64

tetradic

#648FFE #FE64DC #FED364 #64FE86

square

#648FFE #FE64DC #FED364 #64FE86

split-complementary

#648FFE #FE8664 #DCFE64

monochromatic

#0141E6 #2763FE #648FFE #A1BBFE #DEE7FF

Accessibility & contrast

On white

3.04

#648FFE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#648FFE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FFE

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FFE	#FFFFFF	#000000	##000000
##648FFE	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B9BFF

Deuteranopia (green-blind)

#448DFC

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #648ffe;
/* rgb */ color: rgb(100, 143, 254);
/* oklch */ color: oklch(67.2% 0.171 266.0);

Tailwind

colors: {
  custom: {
    50: '#9cafff',
    500: '#648ffe',
    950: '#000000',
  },
}

SCSS

$custom: #648ffe;
$custom-light: #9cafff;
$custom-dark: #000000;

JSON

{
  "hex": "#648ffe",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 254
  },
  "hsl": {
    "h": 223.247,
    "s": 98.718,
    "l": 69.412
  },
  "oklch": {
    "l": 0.67215,
    "c": 0.17088,
    "h": 266
  },
  "luminance": 0.2951
}

Semantic roles & 50–950 ramp

primary

#648FFE

secondary

#F5E9C9

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648FFE

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

Preview Lab → · Contrast checker → · Palette generator →