#648EF4#648EF4

#648EF4 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.4% C 0.159 H 265.5°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#648EF4
RGB	rgb(100, 142, 244)
HSL	hsl(223, 87%, 67%)
HSV	hsv(223, 59%, 96%)
CMYK	cmyk(59%, 41.8%, 0%, 4.3%)
CIE-LAB	lab(60.41, 15.74, -55.56)
CIE-LCH	lch(60.41, 57.75, 285.81°)
OKLab	oklab(66.41% -0.0126 -0.1582)
OKLCH	oklch(66.41% 0.159 265.5)
XYZ	xyz(31.2521, 28.5844, 89.4408)
Luminance	0.2859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EF4 #F4CA64

analogous

#64D6F4 #648EF4 #8264F4

triadic

#648EF4 #F4648E #8EF464

tetradic

#648EF4 #F464D6 #F4CA64 #64F482

square

#648EF4 #F464D6 #F4CA64 #64F482

split-complementary

#648EF4 #F48264 #D6F464

monochromatic

#0F47CF #2B64F0 #648EF4 #9DB8F8 #D6E1FC

Accessibility & contrast

On white

3.13

#648EF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#648EF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EF4

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EF4	#FFFFFF	#000000	##000000
##648EF4	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6199F8

Deuteranopia (green-blind)

#4D8CF2

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ef4;
/* rgb */ color: rgb(100, 142, 244);
/* oklch */ color: oklch(66.4% 0.159 265.5);

Tailwind

colors: {
  custom: {
    50: '#9baef8',
    500: '#648ef4',
    950: '#000000',
  },
}

SCSS

$custom: #648ef4;
$custom-light: #9baef8;
$custom-dark: #000000;

JSON

{
  "hex": "#648ef4",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 244
  },
  "hsl": {
    "h": 222.5,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.66412,
    "c": 0.15866,
    "h": 265.5
  },
  "luminance": 0.28587
}

Semantic roles & 50–950 ramp

primary

#648EF4

secondary

#F0E3C3

accent

#A202E3

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648EF4

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

Preview Lab → · Contrast checker → · Palette generator →