#648FFC#648FFC

#648FFC is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.1% C 0.168 H 265.8°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#648FFC
RGB	rgb(100, 143, 252)
HSL	hsl(223, 96%, 69%)
HSV	hsv(223, 60%, 99%)
CMYK	cmyk(60.3%, 43.3%, 0%, 1.2%)
CIE-LAB	lab(61.12, 17.76, -58.84)
CIE-LCH	lch(61.12, 61.46, 286.79°)
OKLab	oklab(67.09% -0.0122 -0.1678)
OKLCH	oklch(67.09% 0.168 265.8)
XYZ	xyz(32.6427, 29.3797, 96.0272)
Luminance	0.2938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FFC #FCD164

analogous

#64DBFC #648FFC #8564FC

triadic

#648FFC #FC648F #8FFC64

tetradic

#648FFC #FC64DB #FCD164 #64FC85

square

#648FFC #FC64DB #FCD164 #64FC85

split-complementary

#648FFC #FC8564 #DBFC64

monochromatic

#0443E1 #2864FB #648FFC #A0BAFD #DCE6FE

Accessibility & contrast

On white

3.05

#648FFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#648FFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FFC

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FFC	#FFFFFF	#000000	##000000
##648FFC	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D9BFF

Deuteranopia (green-blind)

#468DFA

Tritanopia (blue-blind)

#00A8B9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648ffc;
/* rgb */ color: rgb(100, 143, 252);
/* oklch */ color: oklch(67.1% 0.168 265.8);

Tailwind

colors: {
  custom: {
    50: '#9caffe',
    500: '#648ffc',
    950: '#000000',
  },
}

SCSS

$custom: #648ffc;
$custom-light: #9caffe;
$custom-dark: #000000;

JSON

{
  "hex": "#648ffc",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 252
  },
  "hsl": {
    "h": 223.026,
    "s": 96.203,
    "l": 69.02
  },
  "oklch": {
    "l": 0.67094,
    "c": 0.16821,
    "h": 265.8
  },
  "luminance": 0.29383
}

Semantic roles & 50–950 ramp

primary

#648FFC

secondary

#F4E8C8

accent

#A500E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648FFC

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

Preview Lab → · Contrast checker → · Palette generator →