#648FED#648FED

#648FED is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.2% C 0.148 H 264.2°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#648FED
RGB	rgb(100, 143, 237)
HSL	hsl(221, 79%, 66%)
HSV	hsv(221, 58%, 93%)
CMYK	cmyk(57.8%, 39.7%, 0%, 7.1%)
CIE-LAB	lab(60.31, 12.87, -51.86)
CIE-LCH	lch(60.31, 53.44, 283.94°)
OKLab	oklab(66.21% -0.0149 -0.1473)
OKLCH	oklch(66.21% 0.148 264.2)
XYZ	xyz(30.3588, 28.4662, 83.9990)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FED #EDC264

analogous

#64D3ED #648FED #7D64ED

triadic

#648FED #ED648F #8FED64

tetradic

#648FED #ED64D3 #EDC264 #64ED7D

square

#648FED #ED64D3 #EDC264 #64ED7D

split-complementary

#648FED #ED7D64 #D3ED64

monochromatic

#164CC0 #2D67E7 #648FED #9BB7F3 #D2DEFA

Accessibility & contrast

On white

3.14

#648FED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#648FED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FED

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FED	#FFFFFF	#000000	##000000
##648FED	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6798F1

Deuteranopia (green-blind)

#558CEB

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #648fed;
/* rgb */ color: rgb(100, 143, 237);
/* oklch */ color: oklch(66.2% 0.148 264.2);

Tailwind

colors: {
  custom: {
    50: '#9aaff3',
    500: '#648fed',
    950: '#000000',
  },
}

SCSS

$custom: #648fed;
$custom-light: #9aaff3;
$custom-dark: #000000;

JSON

{
  "hex": "#648fed",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 237
  },
  "hsl": {
    "h": 221.168,
    "s": 79.191,
    "l": 66.078
  },
  "oklch": {
    "l": 0.6621,
    "c": 0.14807,
    "h": 264.2
  },
  "luminance": 0.28469
}

Semantic roles & 50–950 ramp

primary

#648FED

secondary

#EDDFC0

accent

#9A0ADB

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #648FED

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

Preview Lab → · Contrast checker → · Palette generator →