#648EFF#648EFF

#648EFF is a light, vivid blue. Relative luminance 0.293; OKLCH L 67.1% C 0.173 H 266.5°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#648EFF
RGB	rgb(100, 142, 255)
HSL	hsl(224, 100%, 70%)
HSV	hsv(224, 61%, 100%)
CMYK	cmyk(60.8%, 44.3%, 0%, 0%)
CIE-LAB	lab(61.02, 19.34, -60.63)
CIE-LCH	lch(61.02, 63.64, 287.69°)
OKLab	oklab(67.08% -0.0107 -0.173)
OKLCH	oklch(67.08% 0.173 266.5)
XYZ	xyz(32.9724, 29.2725, 98.5009)
Luminance	0.2928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EFF #FFD564

analogous

#64DCFF #648EFF #8864FF

triadic

#648EFF #FF648E #8EFF64

tetradic

#648EFF #FF64DC #FFD564 #64FF88

square

#648EFF #FF64DC #FFD564 #64FF88

split-complementary

#648EFF #FF8864 #DCFF64

monochromatic

#003FE9 #2761FF #648EFF #A1BBFF #DEE7FF

Accessibility & contrast

On white

3.06

#648EFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.86

#648EFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EFF

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EFF	#FFFFFF	#000000	##000000
##648EFF	1.00	3.06	6.86	6.86
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.86	21.00	1.00	1.00
##000000	6.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#599BFF

Deuteranopia (green-blind)

#408DFD

Tritanopia (blue-blind)

#00A8BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648eff;
/* rgb */ color: rgb(100, 142, 255);
/* oklch */ color: oklch(67.1% 0.173 266.5);

Tailwind

colors: {
  custom: {
    50: '#9daeff',
    500: '#648eff',
    950: '#000000',
  },
}

SCSS

$custom: #648eff;
$custom-light: #9daeff;
$custom-dark: #000000;

JSON

{
  "hex": "#648eff",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 255
  },
  "hsl": {
    "h": 223.742,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.67076,
    "c": 0.17338,
    "h": 266.5
  },
  "luminance": 0.29275
}

Semantic roles & 50–950 ramp

primary

#648EFF

secondary

#F6EAC9

accent

#A700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648EFF

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

Preview Lab → · Contrast checker → · Palette generator →