#648EFC#648EFC

#648EFC is a light, vivid blue. Relative luminance 0.291; OKLCH L 66.9% C 0.169 H 266.2°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#648EFC
RGB	rgb(100, 142, 252)
HSL	hsl(223, 96%, 69%)
HSV	hsv(223, 60%, 99%)
CMYK	cmyk(60.3%, 43.7%, 0%, 1.2%)
CIE-LAB	lab(60.85, 18.35, -59.26)
CIE-LCH	lch(60.85, 62.04, 287.21°)
OKLab	oklab(66.89% -0.0112 -0.169)
OKLCH	oklch(66.89% 0.169 266.2)
XYZ	xyz(32.4932, 29.0808, 95.9774)
Luminance	0.2908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EFC #FCD264

analogous

#64DAFC #648EFC #8664FC

triadic

#648EFC #FC648E #8EFC64

tetradic

#648EFC #FC64DA #FCD264 #64FC86

square

#648EFC #FC64DA #FCD264 #64FC86

split-complementary

#648EFC #FC8664 #DAFC64

monochromatic

#0441E1 #2862FB #648EFC #A0BAFD #DCE6FE

Accessibility & contrast

On white

3.08

#648EFC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#648EFC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EFC

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EFC	#FFFFFF	#000000	##000000
##648EFC	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B9AFF

Deuteranopia (green-blind)

#448CFA

Tritanopia (blue-blind)

#00A7B9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #648efc;
/* rgb */ color: rgb(100, 142, 252);
/* oklch */ color: oklch(66.9% 0.169 266.2);

Tailwind

colors: {
  custom: {
    50: '#9caefe',
    500: '#648efc',
    950: '#000000',
  },
}

SCSS

$custom: #648efc;
$custom-light: #9caefe;
$custom-dark: #000000;

JSON

{
  "hex": "#648efc",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 252
  },
  "hsl": {
    "h": 223.421,
    "s": 96.203,
    "l": 69.02
  },
  "oklch": {
    "l": 0.66892,
    "c": 0.16938,
    "h": 266.2
  },
  "luminance": 0.29084
}

Semantic roles & 50–950 ramp

primary

#648EFC

secondary

#F4E8C8

accent

#A600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #648EFC

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

Preview Lab → · Contrast checker → · Palette generator →