#648FF3#648FF3

#648FF3 is a light, vivid blue. Relative luminance 0.288; OKLCH L 66.6% C 0.156 H 264.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#648FF3
RGB	rgb(100, 143, 243)
HSL	hsl(222, 86%, 67%)
HSV	hsv(222, 59%, 95%)
CMYK	cmyk(58.8%, 41.2%, 0%, 4.7%)
CIE-LAB	lab(60.62, 14.82, -54.67)
CIE-LCH	lch(60.62, 56.64, 285.16°)
OKLab	oklab(66.56% -0.0138 -0.1555)
OKLCH	oklch(66.56% 0.156 264.9)
XYZ	xyz(31.2501, 28.8227, 88.6932)
Luminance	0.2883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FF3 #F3C864

analogous

#64D7F3 #648FF3 #8164F3

triadic

#648FF3 #F3648F #8FF364

tetradic

#648FF3 #F364D7 #F3C864 #64F381

square

#648FF3 #F364D7 #F3C864 #64F381

split-complementary

#648FF3 #F38164 #D7F364

monochromatic

#1049CD #2B66EF #648FF3 #9DB8F7 #D6E1FC

Accessibility & contrast

On white

3.10

#648FF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.77

#648FF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FF3

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FF3	#FFFFFF	#000000	##000000
##648FF3	1.00	3.10	6.77	6.77
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.77	21.00	1.00	1.00
##000000	6.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6399F7

Deuteranopia (green-blind)

#4F8CF1

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #648ff3;
/* rgb */ color: rgb(100, 143, 243);
/* oklch */ color: oklch(66.6% 0.156 264.9);

Tailwind

colors: {
  custom: {
    50: '#9baff7',
    500: '#648ff3',
    950: '#000000',
  },
}

SCSS

$custom: #648ff3;
$custom-light: #9baff7;
$custom-dark: #000000;

JSON

{
  "hex": "#648ff3",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 243
  },
  "hsl": {
    "h": 221.958,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.66557,
    "c": 0.15615,
    "h": 264.9
  },
  "luminance": 0.28825
}

Semantic roles & 50–950 ramp

primary

#648FF3

secondary

#F0E2C3

accent

#9F03E2

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648FF3

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

Preview Lab → · Contrast checker → · Palette generator →